Mean, Median, Mode - Practice Questions

 

Mean, Median, Mode for practice:

 

Q1. Calculate the mean from the following data.

Scores	Frequency
1-20	5
21 - 40	20
41 - 60	47
61 - 80	15
81 - 100	3

 

 

Q2. What is the mean of the following numbers? 10, 39, 71, 39, 76, 38, 25

a. 42

b. 39

 c. 42.5

 d. 35.5

 

Q3. Determine the mean of the following set of numbers: 40, 61, 95, 79, 9, 50, 80, 63, 109, 42

 

Q4. The following data represent the number of pop-up advertisements received by 10 families during the past month. Calculate the mean number of advertisements received by each family during the month. 43 37 35 30 41 23 33 31 16 21

 

Q5. The following table of grouped data represents the weight (in pounds) of 100 computer towers. Calculate the mean weight for a computer.

Weight (pounds)                  Number of Computers

 [3 - 5)                                                     8

[5 - 7)                                                      25

[7 - 9)                                                      45

[9 - 11)                                                   18

[11 - 13)                                                 4

 

Q6. A group of customer service surveys were sent out at random.

The scores were 90, 50, 70, 80, 70, 60, 20, 30, 80, 90, and 20.

Find the mean score.

Q7. What is the median of the following numbers?

10, 39, 71, 42, 39, 76, 38, 25

a. 42.5

b. 39

c. 42

d. 35.5

 

Q8. The front row in a movie theatre has 23 seats. If you were asked to sit in the seat that occupied the median position, in which seat would you have to sit?

 a. 1

b. 11

c. 23

d. 12

 

Q9. What is the median score achieved by a student who recorded the following scores on 10 math quizzes?

68, 55, 70, 62, 71, 58, 81, 82, 63, 79

a. 68

b. 71

c. 69

d. 79

 

Q10. A student recorded her scores on weekly math quizzes that were marked out of a possible 10 points. Her scores were as follows: 8, 5, 8, 5, 7, 6, 7, 7, 5, 7, 5, 5, 6, 6, 9, 8, 9, 7, 9, 9, 6, 8, 6, 6, 7