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 |
| 2. | What is the range of weights given in problem 1? |
| 3. | What is the mode of the weights given in problem 1? |
| 4. | What is the median of the weights given in problem 1? |
| 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? |
| 6. | The range of a set of numbers is 1,362. The greatest number is 2,172. What is the least number? |
| 7. | The mean of a set of 7 numbers is 13. What is the sum of the numbers? |
| 8. | Find the mode of the following test scores:
89, 78, 91, 82, 75, 89, 84, 95, 89, 93 |
| 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? |
| 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 |
