Challenge Exercises: Mean-Median-Mode

Unit 8

Directions: Read each question below. Click once in an ANSWER BOX and type in your answer; then click ENTER. After you click ENTER, a message will appear in the RESULTS BOX to indicate whether your answer is correct or incorrect. To start over, click CLEAR.

1.	The weights of 9 students, measured in pounds, are recorded below. Find the mean weight. 135,  120,  116,  119,  121,  125,  135,  131,  123 ANSWER BOX: RESULTS BOX:

2.	What is the range of weights given in problem 1? ANSWER BOX: RESULTS BOX:

3.	What is the mode of the weights given in problem 1? ANSWER BOX: RESULTS BOX:

4.	What is the median of the weights given in problem 1? ANSWER BOX: RESULTS BOX:

5.	The mean price of 5 items is $7.00. The prices of the first four items are $6.50,  $8.00,  $5.50  and $6.00. How much does the fifth item cost? ANSWER BOX:  $ RESULTS BOX:

6.	The range of a set of numbers is 1,362. The greatest number is 2,172. What is the least number? ANSWER BOX: RESULTS BOX:

7.	The mean of a set of 7 numbers is 13. What is the sum of the numbers? ANSWER BOX: RESULTS BOX:

8.	Find the mode of the following test scores: 89,  78,  91,  82,  75,  89,  84,  95,  89,  93 ANSWER BOX: RESULTS BOX:

9.	The mean of a set of data is 174.25 and the sum of the data is 1,394. How many numbers are in the set? ANSWER BOX: RESULTS BOX:

10.	The grade point averages of 10 students are listed below. Find the median grade point average. 3.15,  3.62,  2.54,  2.81,  3.97,  1.85,  1.93,  2.63,  2.50,  2.80 ANSWER BOX: RESULTS BOX:

Introduction to Statistics Lesson Access Range Arithmetic Mean Non-Routine Mean Median Mode Practice Exercises Challenge Exercises Solutions Related Activities Access Interactive Puzzles Printable Worksheet