Quiz On Data Handling

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| By Kamilva Pant
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Kamilva Pant
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Quizzes Created: 1 | Total Attempts: 263
Questions: 30 | Attempts: 263

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Quiz On Data Handling - Quiz


Questions and Answers
  • 1. 

    Pictorial representation of data using symbols is known as_____

    • A.

      Bar Graph

    • B.

      Pictograph

    • C.

      Histogram

    • D.

      Histograph

    Correct Answer
    B. Pictograph
    Explanation
    A pictograph is a type of graph that uses pictures or symbols to represent data. It is a visual representation of information, where each picture or symbol represents a certain quantity or value. Pictographs are commonly used to display data in a way that is easy to understand and interpret. They are particularly useful when dealing with data that has distinct categories or when comparing different quantities. In a pictograph, the size or number of pictures/symbols represents the corresponding data value, making it a popular choice for presenting information in a visually appealing and accessible manner.

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  • 2. 

    Double bar graphs display ______ sets of data simultaneously.

    • A.

      0

    • B.

      1

    • C.

      2

    • D.

      3

    Correct Answer
    C. 2
    Explanation
    Double bar graphs display two sets of data simultaneously. In a double bar graph, two sets of data are represented side by side using bars. This allows for easy comparison between the two sets of data, making it a useful tool for visualizing and analyzing data.

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  • 3. 

    _________ gives the number of times a particular entry occurs.

    • A.

      Organisation of Data

    • B.

      Collection of Data

    • C.

      Representation of Data

    • D.

      Frequency Distribution Table

    Correct Answer
    D. Frequency Distribution Table
    Explanation
    A Frequency Distribution Table gives the number of times a particular entry occurs in a dataset. It organizes the data by listing all the unique values and their corresponding frequencies. This table is useful for summarizing and analyzing data, as it allows us to see the distribution and patterns within the dataset.

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  • 4. 

     In grouped data, each of the group is called:

    • A.

      Class Interval

    • B.

      Data Size

    • C.

      Frequency

    • D.

      Limit

    Correct Answer
    A. Class Interval
    Explanation
    In grouped data, the data is organized into different groups or intervals. Each of these groups is called a class interval. Class intervals help in organizing and summarizing the data, making it easier to analyze and interpret.

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  • 5. 

    If 20-30 is the class interval of grouped data, then lower class limit is_____

    • A.

      10

    • B.

      20

    • C.

      30

    • D.

      25

    Correct Answer
    B. 20
    Explanation
    The lower class limit is the smallest value in the class interval. In this case, the class interval is 20-30, so the lower class limit is 20.

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  • 6. 

    The difference between the upper class limit and lower class limit of a class interval is called_____

    • A.

      Frequency

    • B.

      Width

    • C.

      Grouping

    • D.

      Regrouping

    Correct Answer
    B. Width
    Explanation
    The difference between the upper class limit and lower class limit of a class interval is called the width. It represents the range or span of values within the class interval. For example, if the lower class limit is 10 and the upper class limit is 20, then the width of the class interval is 10. The width is an important measure in data analysis as it helps determine the size of each class interval and the overall distribution of the data.

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  • 7. 

    The width or size of the class interval 30-40 is_____

    • A.

      -10

    • B.

      10

    • C.

      30

    • D.

      40

    Correct Answer
    B. 10
    Explanation
    The width or size of the class interval 30-40 is 10. This is because the class interval is determined by subtracting the lower limit (30) from the upper limit (40), resulting in a difference of 10.

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  • 8. 

    If a coin is flipped in the air, what is the probability of getting a tail?

    • A.

      0

    • B.

      1

    • C.

      0.25

    • D.

      0.50

    Correct Answer
    D. 0.50
    Explanation
    When a coin is flipped in the air, there are two possible outcomes: either it lands on heads or tails. Since there are only two possible outcomes and they are equally likely, the probability of getting a tail is 0.50 or 50%.

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  • 9. 

    A bag has 4 red balls and 4 green balls, what is the probability of getting a red ball randomly?

    • A.

      0

    • B.

      1

    • C.

      0.25

    • D.

      0.5

    Correct Answer
    D. 0.5
    Explanation
    The bag contains a total of 8 balls, out of which 4 are red and 4 are green. When picking a ball randomly, there are 8 equally likely outcomes. Since there are 4 red balls, the probability of selecting a red ball is 4/8, which simplifies to 0.5.

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  • 10. 

    If a die is thrown in air, the probability of getting even numbers is______

    • A.

      0

    • B.

      1

    • C.

      0.5

    • D.

      0.25

    Correct Answer
    C. 0.5
    Explanation
    When a die is thrown in the air, it has six possible outcomes: 1, 2, 3, 4, 5, or 6. Out of these six outcomes, three are even numbers (2, 4, 6). Therefore, the probability of getting an even number is 3 out of 6, which can be simplified to 1 out of 2 or 0.5.

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  • 11. 

     A probability near 1 is _______.

    • A.

      Even

    • B.

      Unlikely

    • C.

      Likely

    • D.

      Certain

    Correct Answer
    C. Likely
    Explanation
    A probability near 1 means that an event is highly likely to occur. It suggests that there is a high chance or a strong likelihood of the event happening.

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  • 12. 

    A bag has 3 red marbles, 2 blue and 4 yellow. What is the probability of pulling a red?

    • A.

      Certain

    • B.

      Even

    • C.

      Unlikely

    • D.

      Likely

    Correct Answer
    C. Unlikely
    Explanation
    The probability of pulling a red marble from the bag is unlikely because there are only 3 red marbles out of a total of 9 marbles in the bag. This means that there are more non-red marbles than red marbles, making it less likely to pull a red marble.

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  • 13. 

    Change this decimal to a percent. 0.528

    • A.

      528%

    • B.

      52.8%

    • C.

      5.28%

    • D.

      0.528%

    Correct Answer
    B. 52.8%
    Explanation
    To change a decimal to a percent, you move the decimal point two places to the right and add a percent symbol. In this case, the decimal 0.528 becomes 52.8% when you move the decimal point two places to the right.

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  • 14. 

    What is the probability of spinning the spinner and having it land on RED?

    • A.

      33%

    • B.

      50%

    • C.

      75%

    • D.

      100%

    Correct Answer
    B. 50%
    Explanation
    The spinner has equal sections of different colors, including red. Since there are no indications that any color is more likely to land, the probability of spinning the spinner and having it land on red is 50%.

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  • 15. 

    What is the probability of rolling a cube and having land as an odd number?

    • A.

      0

    • B.

      1/4

    • C.

      1/2

    • D.

      3/4

    Correct Answer
    C. 1/2
    Explanation
    The probability of rolling a cube and landing on an odd number is 3 out of 6, since there are 3 odd numbers (1, 3, 5) out of the 6 possible outcomes (1, 2, 3, 4, 5, 6). Simplifying 3/6 gives us 1/2, which is the probability of rolling a cube and landing on an odd number.

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  • 16. 

    What is the probability of rolling a cube and having it land as a six?

    • A.

      1/6

    • B.

      5/6

    • C.

      1/3

    • D.

      3/6

    Correct Answer
    A. 1/6
    Explanation
    The probability of rolling a cube and having it land as a six is 1/6 because there is only one face of the cube that has a six, and there are a total of six possible outcomes when rolling a standard six-sided cube. Therefore, the probability of landing on a six is 1 out of 6, or 1/6.

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  • 17. 

    The probability of it raining today is 30%. What is the probability that it will NOT rain?

    • A.

      30%

    • B.

      70%

    • C.

      100%

    • D.

      0%

    Correct Answer
    B. 70%
    Explanation
    The probability of it raining and the probability of it not raining must add up to 100%. Since the probability of it raining is given as 30%, the probability of it not raining would be 100% - 30% = 70%. Therefore, the correct answer is 70%.

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  • 18. 

    Probability can be written as_____

    • A.

      Decimal

    • B.

      Fraction

    • C.

      Percentage

    • D.

      All Of The Above

    Correct Answer
    D. All Of The Above
    Explanation
    The probability can be expressed in different forms, such as decimal, fraction, and percentage. Decimal representation is commonly used when the probability is between 0 and 1, fraction representation is useful when the probability is a ratio of two numbers, and percentage representation is often used to express probabilities in terms of parts per hundred. Therefore, all of these options are correct ways to write probability.

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  • 19. 

    The probability of drawing a 10 from a standard deck of 52 cards is _____

    • A.

      1/52

    • B.

      2/52

    • C.

      4/52

    • D.

      13/52

    Correct Answer
    C. 4/52
    Explanation
    The probability of drawing a 10 from a standard deck of 52 cards is 4/52 because there are 4 cards with the value of 10 in a deck (10 of hearts, 10 of diamonds, 10 of clubs, and 10 of spades), and there are a total of 52 cards in the deck.

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  • 20. 

    A set of all possible outcomes is known as_____

    • A.

      List

    • B.

      Space

    • C.

      Sample Space

    • D.

      Event

    Correct Answer
    C. Sample Space
    Explanation
    The set of all possible outcomes in a given experiment or situation is referred to as the sample space. It represents the complete range of potential outcomes that can occur. Each outcome in the sample space is a distinct element, and together they form a comprehensive set of all possible results.

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  • 21. 

    Probability of any event is always more than 1.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement "Probability of any event is always more than 1" is incorrect. Probability is a measure of the likelihood of an event occurring, and it is always between 0 and 1. A probability of 0 means the event is impossible, while a probability of 1 means the event is certain to happen. Therefore, the correct answer is False.

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  • 22. 

    Histograms and Histographs are Same.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Histograms and histographs are not the same. A histogram is a graphical representation of the distribution of a dataset, where the data is divided into intervals and the height of each bar represents the frequency or relative frequency of data falling within that interval. On the other hand, a histograph is a bar graph that represents the frequency distribution of a dataset, where the height of each bar represents the frequency of data falling within a specific interval. Therefore, histograms and histographs have similar concepts but differ in terms of the specific way they represent the data.

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  • 23. 

    Probability of a Certain Event is 1.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The probability of a certain event is always 1 because it is guaranteed to happen. In other words, there is no uncertainty or chance involved in the outcome of the event. Therefore, the statement "Probability of a Certain Event is 1" is true.

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  • 24. 

    Another Name for Circle Graph is Pie Chart.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    A circle graph and a pie chart are two terms used interchangeably to refer to the same type of graph. This type of graph represents data in a circular format, where different sections of the circle represent different categories or values. The name "pie chart" comes from the resemblance of the graph to a pie that has been divided into slices. Therefore, the given statement is true, as both terms refer to the same type of graph.

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  • 25. 

    When Two Dice Are Rolled Together, sample space has 6 events.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement is false because when two dice are rolled together, the sample space consists of all possible outcomes, which is the product of the number of outcomes for each individual die. Since each die has 6 possible outcomes, the sample space for rolling two dice together would have 6 x 6 = 36 events.

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  • 26. 

    Probability of a Likely Event is Less than 50%

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement "Probability of a Likely Event is Less than 50%" is false. This is because the probability of a likely event is usually greater than 50%. In probability theory, the probability of an event is a measure of the likelihood that the event will occur. If an event is likely to occur, it means that there is a higher chance of it happening, and therefore the probability would be greater than 50%.

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  • 27. 

    (5,5) is a Duplet Event.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The statement " (5,5) is a Duplet Event" is true. In statistics, a duplet event refers to an event where two identical outcomes occur simultaneously. In this case, the outcome is (5,5), which means that both variables have a value of 5. Therefore, it can be concluded that (5,5) is indeed a duplet event.

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  • 28. 

    The probability of getting an ace is 1/13

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The probability of getting an ace is 1/13 because in a standard deck of 52 playing cards, there are 4 aces (one for each suit: hearts, diamonds, clubs, and spades). Since there are a total of 52 cards and only 4 aces, the probability of drawing an ace is 4/52, which simplifies to 1/13. Therefore, the statement is true.

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  • 29. 

    Spades are Red Coloured Cards.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement "Spades are Red Coloured Cards" is incorrect. In a standard deck of cards, spades are actually black in color. Therefore, the correct answer is False.

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  • 30. 

    There are 26 cards of Clubs, in playing cards.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement is false because there are actually 13 cards of Clubs in a standard deck of playing cards, not 26. Each suit (Clubs, Diamonds, Hearts, Spades) consists of 13 cards, including Ace, 2-10, Jack, Queen, and King. Therefore, the correct answer is false.

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