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Challenge
Exercises:
Mean-Median-Mode |
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Unit 8
> Lesson 7 of 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.
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The weights of 9 students, measured in
pounds, are recorded below. Find the mean weight.
135, 120, 116, 119, 121, 125, 135, 131, 123
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2.
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What is the range of weights given in problem 1?
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3.
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What is the mode of the weights given in problem 1?
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4.
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What is the median of the weights given in problem 1?
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5.
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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?
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6.
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The range of a set of numbers is 1,362. The greatest number is
2,172. What is the least number?
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7.
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The mean of a set of 7 numbers is 13. What is the sum of the
numbers?
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8.
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Find the mode of the following test scores:
89, 78, 91, 82, 75, 89, 84, 95, 89, 93
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9.
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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?
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10.
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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
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