# Data Analysis & Graphing Pre-assessment

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| By Galloway22
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Galloway22
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Quizzes Created: 2 | Total Attempts: 1,031
Questions: 17 | Attempts: 518

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Pre-assessment for our Data Analysis Unit.

Questions and Answers
• 1.

### Some fourth grade students were asked about their favorite ice cream flavors. The information was used to create this bar graph. Use this bar graph to answer the questions. Using the data in this bar graph, find the range:

Explanation
The range is the difference between the highest and lowest values in a set of data. In this case, the highest value on the bar graph is 20 and the lowest value is 10. Therefore, the range is 20 - 10 = 10.

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• 2.

• 3.

### Some fourth grade students were asked about their favorite ice cream flavors. The information was used to create this bar graph. Use this bar graph to answer the questions. Using the data in this bar graph, find the mean:

Explanation
The mean is calculated by finding the average of all the values. In this case, we can see that there is only one value given, which is 7. Therefore, the mean is simply 7.

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• 4.

### Some fourth grade students were asked about their favorite ice cream flavors. The information was used to create this bar graph. Use this bar graph to answer the questions. Using the data in this bar graph, find the median:

Explanation
To find the median, we need to arrange the numbers in ascending order. Looking at the bar graph, we can see that the number 5 appears once. Therefore, it is the middle value when the numbers are arranged in ascending order. Hence, the median is 5.

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• 5.

### What day had the highest temperature?

Explanation
The correct answer is Tuesday.

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• 6.

### What was the temperature on the coolest day?

Explanation
The answer options all provide the same temperature value of 25 degrees Fahrenheit.

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• 7.

### What is the difference in temperature from Tuesday to Saturday?

Explanation
The difference in temperature from Tuesday to Saturday is 15 degrees Fahrenheit.

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• 8.

### What fraction of people chose sausage?

Explanation
The correct answer is one quarter, one fourth, 1/4, 1\4. These are all different ways of representing the same fraction, which means that out of the total number of people, one quarter or one fourth or 1/4 or 1\4 of them chose sausage.

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• 9.

### What fraction of people chose pepperoni?

Explanation
The correct answer is "one half," "half," "1/2," and "1\2." These are all different ways of representing the fraction 1/2, which means that half of the people chose pepperoni.

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• 10.

### What fraction of people chose ham?

Explanation
The fraction "one eighth" represents 1 out of 8 equal parts. It means that out of the total number of people, only one part or one eighth of them chose ham. Similarly, "one eight" is another way of expressing the same fraction. "1/8" and "1\8" are both notations for the fraction one eighth. "Eighth" is a word that represents the fraction 1/8.

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• 11.

### Use the pictograph below to answer the questions. How many students voted for hamsters?

Explanation
The pictograph shows that there are 6 pictures of hamsters, each representing one student. Therefore, the correct answer is 6 students voted for hamsters.

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• 12.

### Use the pictograph below to answer the questions. How many more students voted for dogs than guinea pigs?

Explanation
The pictograph shows that there are 4 students who voted for dogs and none who voted for guinea pigs. Therefore, the difference between the number of students who voted for dogs and guinea pigs is 4.

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• 13.

### Use the pictograph below to answer the questions. How many total students voted?

Explanation
The answer is 28,28 students because the pictograph shows that each picture represents one student. There are 28 pictures in total, so that means 28 students voted.

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• 14.

• 15.

• 16.

### Using the data in this line plot, find the mean:

Explanation
The mean is calculated by finding the average of all the numbers in the dataset. In this case, the numbers are 2.3, 2.333333, 2.33333333, 2.33333, 2.3333, 2.333, 2.33, and 2. Adding all these numbers together and dividing by 8 (the total number of numbers) gives us a mean of approximately 2.333.

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• 17.

### Using the data in this line plot, find the median:

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• Current Version
• Mar 21, 2023
Quiz Edited by
ProProfs Editorial Team
• Jan 31, 2012
Quiz Created by
Galloway22

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