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Science Olympiad data Crunchers

Total questions: 22

Worksheet time: 11mins

Name
Class
Date
1.

In a classroom, Aiden, Nora, and Abigail each collected different types of leaves. If one type of leaf was found more frequently than others, what is this called in statistics?

a)

The middle number

b)

The most occurring

c)

The average

2.

Ava, Emma, and Elijah are collecting shells on the beach. They count their collection at the end of the day and find the following numbers: 1, 1, 7, 5, 2, 7, 8, 8, 2, 1. What is the mode of their shell collection?

a)

1

b)

5

c)

7

d)

8

e)

2

3.

Benjamin collected seashells at the beach on different days, finding 11, 10, 3, 5, 6, 9, and 2 shells respectively. What is the range of seashells collected?

a)

1

b)

6

c)

7

d)

9

4.

Harper is analyzing the growth rates of five different plants in her garden. The growth rates (in inches per month) are: 3, 9, 5, 7, 1. What is the median growth rate?

a)

1

b)

3

c)

5

d)

7

e)

9

5.

In a classroom, Hannah, Evelyn, and Zoe took 5 math tests. If we want to calculate the average score they got across those tests, what statistical term would we use?

a)

The middle number

b)

The most occurring number

c)

The average value

6.

In a recent math test, the scores of students were recorded. If one student, Anika, scored significantly higher than most of her classmates, how would her score be classified in statistics?

a)

The middle score among all students

b)

An outlier, because it is significantly different from the scores of other students

c)

The average score of the class

d)

The most common score among the students

7.

In a class test, Daniel, Aiden, and Rohan scored different marks in Mathematics. The teacher wants to understand the spread or variability in their scores. Which of the following is a measure of dispersion that can help the teacher?

a)

Mean

b)

Median

c)

Mode

d)

Standard Deviation

8.

In a study group, Ava, Jackson, and Mason took multiple quizzes throughout the semester. If the 'variance' of Mason's quiz scores is being calculated, what does it refer to?

a)

The difference between Mason's highest and lowest quiz scores

b)

The average of the squared differences from Mason's average quiz score

c)

The most occurring quiz score for Mason

d)

The middle quiz score for Mason

9.

During a science experiment, Lucas, Mia, and Ethan measure the temperature at different times of the day. If they want to find the most common temperature recorded, which statistical term should they use?

a)

Mean

b)

Median

c)

Mode

d)

Range

10.

Sophia, Liam, and Olivia are comparing the number of books they've read over the summer. Sophia read 15 books, Liam read 9 books, and Olivia read 12 books. What is the median number of books read?

a)

9

b)

12

c)

15

d)

11

11.

In a geography quiz, the scores of 20 students were recorded. If the scores ranged from 60 to 95, what is the range of the quiz scores?

a)

35

b)

25

c)

45

d)

55

12.

During a school sports day, three students participated in a long jump competition. Their jump distances in meters were: 5.2, 4.8, and 5.5. What is the mean distance jumped?

a)

4.8

b)

5.0

c)

5.2

d)

5.5

13.

In a survey about favorite fruits, 100 students participated. If 40 students chose Apple, 30 chose Banana, and 30 chose Cherry, what is the mode of this survey?

a)

Apple

b)

Banana

c)

Cherry

d)

No mode

14.

For a science project, three students measured the pH level of a solution at different times. The pH levels recorded were: 7.2, 7.4, and 7.8. What is the range of the pH levels?

a)

0.2

b)

0.4

c)

0.6

d)

0.8

15.

During a week of weather recording, the temperatures (in degrees Celsius) were: 22, 25, 21, 23, 24, 22, 25. What is the mode of the temperatures recorded?

a)

22

b)

23

c)

24

d)

25

16.

In a survey about pet ownership, 50 people were asked how many pets they own. The responses were: 0, 1, 2, 3, 4. If the mean number of pets owned is 2, what is the total number of pets owned by the group?

a)

50

b)

100

c)

150

d)

200

17.

A group of students were asked about the number of hours they spend on homework each week. The responses were: 5, 10, 15, 20, 25. If the median number of hours spent is 15, which of the following statements is true?

a)

Most students spend less than 15 hours on homework.

b)

Most students spend more than 15 hours on homework.

c)

Half of the students spend 15 hours on homework.

d)

15 is the most common number of hours spent on homework.

18.

In a local library reading challenge, participants read the following number of books: 8, 12, 5, 15, 7, 9. What is the mean number of books read?

a)

7.8

b)

8.5

c)

9.3

d)

10.2

19.

During a month of rainfall recording, the amounts (in inches) were: 0.5, 1.2, 0.8, 1.5, 2.0. What is the median rainfall amount?

a)

0.8

b)

1.2

c)

1.5

d)

2.0

20.

A group of friends tracked the number of steps they walked in a day. The counts were: 10000, 7500, 12000, 8000, 9000. If the mode of the steps walked is being calculated, what does it refer to?

a)

The difference between the highest and lowest steps walked

b)

The average number of steps walked

c)

The most occurring number of steps walked

d)

The middle number of steps walked

21.

During a cooking class, students were asked how many recipes they successfully learned. The responses were: 4, 7, 5, 7, 3, 7. What is the mode of the number of recipes learned?

a)

3

b)

4

c)

5

d)

7

22.

For a science fair project, a group of students measured the growth of a plant in inches over several weeks. The measurements were: 2, 4, 6, 8, 10. What is the median growth measurement?

a)

2

b)

4

c)

6

d)

8

e)

10