Data Analysis & Graphing Post-assessment
Post-assessment for our Data Analysis Unit.
Questions and Answers
- 1.
Read the graph below. What flavor was the class favorite?
- A.
Vanilla
- B.
Strawberry
- C.
Chocolate
- D.
Coffee
- E.
Other
Correct Answer
C. ChocolateExplanation
Based on the graph, it can be seen that the bar representing chocolate is the highest among all the flavors. This indicates that chocolate was the class favorite flavor.Rate this question:
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- 2.
Read the graph below. What flavor was the least favorite?
- A.
Vanilla
- B.
Strawberry
- C.
Chocolate
- D.
Coffee
- E.
Other
Correct Answer
A. VanillaExplanation
Based on the graph, the flavor that was the least favorite among the options listed (vanilla, strawberry, chocolate, coffee, and other) is vanilla.Rate this question:
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- 3.
What is the total number of students that answered this survey?
Correct Answer
35
35 students
35studentsExplanation
The answer is 35, 35 students, or 35students because it is stated in the question that the total number of students that answered the survey is 35.Rate this question:
- 4.
How many more students liked chocolate than liked strawberry? Using the data in this bar graph, find the median: (Type the number only)
Correct Answer
8
8 students
8students - 5.
What day had the highest temperature?
Correct Answer
Tuesday
Tues
Tues.
Teus
Teus.
TeusdayExplanation
The correct answer is Tuesday.Rate this question:
- 6.
What was the temperature on the coolest day? (Type the number only)
Correct Answer
25
25 degrees
25F
25 FExplanation
The answer is 25, 25 degrees, 25F, 25 F because all of these options represent the temperature on the coolest day.Rate this question:
- 7.
What is the difference in temperature from Tuesday to Saturday? (Type the number only)
Correct Answer
15
15 degrees
15F
15 FExplanation
The question asks for the difference in temperature from Tuesday to Saturday. The answer options provided all state a difference of 15 degrees, whether it is expressed as a number (15), in degrees (15 degrees), or in Fahrenheit (15F, 15 F). Therefore, the correct answer is 15, 15 degrees, 15F, or 15 F.Rate this question:
- 8.
What fraction of people chose sausage?
- A.
1/2
- B.
1/3
- C.
1/4
- D.
1/8
- E.
2/2
- F.
3/4
Correct Answer
C. 1/4Explanation
The fraction 1/4 represents the number of people who chose sausage out of the total number of people. It means that out of every four people, one person chose sausage.Rate this question:
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- 9.
What fraction of people chose pepperoni?
- A.
1/2
- B.
1/3
- C.
1/4
- D.
1/8
- E.
2/2
- F.
3/4
Correct Answer
A. 1/2Explanation
The correct answer is 1/2. This means that half of the people chose pepperoni.Rate this question:
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- 10.
What fraction of people chose ham?
- A.
1/2
- B.
1/3
- C.
1/4
- D.
1/8
- E.
2/2
- F.
3/4
Correct Answer
D. 1/8Explanation
The fraction of people who chose ham is 1/8.Rate this question:
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- 11.
Use the pictograph below to answer the questions. How many students voted for hamsters?
Correct Answer
6
6 studentsExplanation
The pictograph shows a bar with a picture of a hamster and a number 6 next to it. This indicates that 6 students voted for hamsters.Rate this question:
- 12.
Use the pictograph below to answer the questions. How many more students voted for dogs than guinea pigs?
Correct Answer
4
4 studentsExplanation
The pictograph shows that there are 4 more students who voted for dogs compared to guinea pigs. Each dog symbol represents 1 student, and each guinea pig symbol also represents 1 student. By counting the symbols, we can see that there are 4 more dog symbols than guinea pig symbols, indicating that 4 more students voted for dogs. Therefore, the answer is 4, or 4 students.Rate this question:
- 13.
Use the pictograph below to answer the questions. How many total students voted?
Correct Answer
28
28 studentsExplanation
The answer is 28,28 students because the pictograph shows that there are 28 students represented by each picture of a student. Since there are two pictures of students, it means that there are a total of 28 + 28 = 56 students in total who voted.Rate this question:
- 14.
Using the data in this line plot, find the range:
- A.
1
- B.
2
- C.
3
- D.
4
- E.
5
- F.
6
Correct Answer
C. 3Explanation
The range of a set of numbers is the difference between the largest and smallest numbers in the set. In this line plot, the smallest number is 1 and the largest number is 4. Therefore, the range is 4 - 1 = 3.Rate this question:
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- 15.
Using the data in this line plot, find the mode:
- A.
1
- B.
2
- C.
3
- D.
4
- E.
1 and 2
- F.
3 and 4
- G.
1 and 3
- H.
2 and 4
Correct Answer
G. 1 and 3Explanation
The mode is the value or values that appear most frequently in a dataset. In the given line plot, the numbers 1 and 3 appear twice, which is more than any other number. Therefore, the mode is 1 and 3.Rate this question:
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- 16.
Using the data in this line plot, find the mean: (Round your answer!)
- A.
2
- B.
3
- C.
4
- D.
14
- E.
12
- F.
13
Correct Answer
A. 2 -
- 17.
Using the data in this line plot, find the median:
- A.
2
- B.
2 1/2
- C.
3
- D.
3 1/2
- E.
4
- F.
1
Correct Answer
B. 2 1/2Explanation
The median is the middle value of a set of numbers when they are arranged in order. In this line plot, the numbers are already arranged in order. The middle value is 2 1/2 because it is the value between the two middle numbers, 2 and 3.Rate this question:
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.jpg "Read the graph below. What flavor was the class favorite?")
.jpg "What is the total number of students that answered this survey?")
.jpg "What fraction of people chose sausage?")
.jpg "Using the data in this line plot, find the range:")
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Mar 21, 2023Quiz Edited by
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Feb 08, 2012Quiz Created by
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