Solving Simple Statistical Problems: Mean and Mode Quiz

Question 1

Which number appears most often in the following set: 3, 4, 5, 5, 6?

Accepted Answer

5

Answer

3

Answer

4

Answer

6

Question 2

A class has 10 students and their test scores are: 8, 9, 7, 10, 8, 9, 7, 8, 9, 10. Which score appears most often?

Accepted Answer

8

Answer

7

Answer

9

Answer

10

Question 3

Which of the following is NOT a way to describe a group of numbers?

Accepted Answer

Diameter

Answer

Mean

Answer

Range

Answer

Mode

Question 4

Which number appears the most in this list: 5, 7, 3, 5, 9, 5, 7?

Accepted Answer

5

Answer

3

Answer

7

Answer

9

Question 5

Tommy has three test scores: 80, 75, and 90. Each test has a different weight: 30, 40, and 30. What is Tommy's overall average score?

Accepted Answer

82

Answer

70

Answer

85

Question 6

What is the mode of the following set of numbers: 5, 6, 7, 8, 8?

Accepted Answer

8

Answer

5

Answer

6

Answer

7

Question 7

Which set of numbers has the highest mean?

Accepted Answer

4, 5, 6, 7, 8

Answer

1, 2, 3, 4, 5

Answer

2, 3, 4, 5, 6

Answer

3, 4, 5, 6, 7

Question 8

A shop sells apples for 50p each. If the shop sells 10 apples, what is the mean price of the apples?

Accepted Answer

50p

Answer

5p

Answer

10p

Answer

100p

Question 9

How do we find the mode of a set of numbers?

Accepted Answer

Find the number that appears most often

Answer

Add all the numbers together

Answer

Subtract the smallest number from the largest number

Answer

Divide the total number by the sum of the numbers

Question 10

The average of the numbers 3, 5, 7, 9, 11 is:

Accepted Answer

7

Answer

5

Answer

9

Answer

11

Question 11

What is the difference between mean and median?

Accepted Answer

Mean is the average value while median is the middle value.

Answer

Median is the average value while mean is the middle value.

Answer

Mean and median are the same thing.

Answer

Mean is the most common value while median is the middle value.

Question 12

Four plants have the following heights: 10 cm, 12 cm, 15 cm, and 18 cm. What is their average height?

Accepted Answer

13.75 cm

Answer

11 cm

Question 13

We have the numbers: 5, 7, 9, 11, 13. What is the difference between the largest and smallest numbers in this group? This difference is called the range.

Accepted Answer

8

Answer

2

Answer

10

Answer

15

Question 14

What is the average of the numbers 2, 4, and 6?

Accepted Answer

4

Answer

2

Answer

6

Question 15

We have 5 numbers: 5, 7, 9, 11, and 13. What is their average?

Accepted Answer

9

Answer

6

Answer

11

Question 16

How do we find the mean of a set of numbers?

Accepted Answer

Add all the numbers together and divide by the total number of numbers.

Answer

Take away the smallest number from the largest number.

Answer

Multiply all the numbers together and divide by the total number of numbers.

Question 17

What is the mode of a set of numbers?

Accepted Answer

The number that appears the most.

Answer

The middle number in the set.

Answer

The number that appears the least.

Answer

The sum of all the numbers.

Question 18

What is the mode of the set of numbers: 5, 7, 9, 9, 11, 13?

Accepted Answer

9

Answer

11

Answer

5

Question 19

Which of the following are measures of central tendency?

Accepted Answer

Mean, mode, and median

Answer

Range and standard deviation

Answer

Variance and correlation

Answer

Frequency and probability

Question 20

Which number appears most often in the set: 1, 3, 5, 7, 7, 9?

Accepted Answer

7

Answer

5

Answer

3

Answer

1

Question 21

The number of toys each child has are: 3, 5, 7, 2, 4, 6. Which number is in the middle?

Accepted Answer

4

Answer

3

Answer

5

Question 22

A group of children spend the following number of hours watching TV each day: 1, 2, 3, 4, 5, 5, 6. Which number is repeated most often?

Accepted Answer

5

Answer

3

Answer

6

Answer

1

Question 23

Find the mean of the following numbers: 5, 7, 9, 11

Accepted Answer

8

Answer

10

Answer

6

Question 24

Which of the following is the most frequently occurring value in a set of data?

Accepted Answer

Mode

Answer

Mean

Answer

Range

Answer

Median

Question 25

Find the mode of the following numbers: 2, 4, 4, 6, 8, 10

Accepted Answer

4

Answer

8

Answer

2

Answer

6

Question 26

Which of the following is the middle value in a set of data when arranged in order?

Accepted Answer

Median

Answer

Range

Answer

Mean

Answer

Mode

Question 27

Look at these numbers: 2, 3, 3, 4, 5. Which number appears most often?

Accepted Answer

3

Answer

4

Answer

2

Answer

5

Question 28

There are 3 red balls, 2 blue balls, and 1 green ball in a bag. What is the most common color of ball?

Accepted Answer

Red

Answer

Green

Answer

All colors are equal

Answer

Blue

Question 29

Look at these numbers: 1, 1, 2, 2, 3. Which number appears the most?

Accepted Answer

1 and 2

Answer

1

Answer

2

Answer

3

Question 30

There are 5 red cars, 4 blue cars, and 3 green cars in a parking lot. What is the most common color of car?

Accepted Answer

Red

Answer

Green

Answer

Blue

Answer

All colors are equal