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- 1. Multiple Choice
Calculate the MEAN for the data set: 6, 7, 12, 8, 7, 4, 8, 8, 7

7

7.44

8

7 and 8

- 2. Multiple Choice
Calculate the MEDIAN for the data set: 6, 7, 12, 8, 7, 4, 8, 8, 7

7

7.44

8

7 and 8

- 3. Multiple Choice
Calculate the MODE for the data set: 6, 7, 12, 8, 7, 4, 8, 8, 7

7

7.44

8

7 and 8

- 4. Multiple Choice
Calculate the RANGE for the data set: 6, 7, 12, 8, 7, 4, 8, 8, 7

7

7.44

8

7 and 8

- 5. Multiple Choice
Calculate the relative frequency of having an IQ score in the 131-140 range. (200 7th graders were surveyed).

8%

4%

20%

15.5%

- 6. Multiple Choice
How many 7th graders had an IQ score in the 81-90 range?

13

6.5

3

42

- 7. Multiple Choice
What was the most common IQ range?

91-100

111-120

12-130

101-110

- 8. Multiple Choice
How many data points are greater than 34?

10

11

12

13

- 9. Multiple Choice
Calculate the 5 number summary for the following data. You may use your graphing calculator.

1791, 3162, 6163, 8578, 9400

1791, 3815, 6472, 8924.5, 9400

6197.44

7609

- 10. Multiple Choice
Find the Inter-Quartile Range (IQR). You may use your graphing calculator.

7609

8924.5

2708

5416

- 11. Multiple Choice
Owen was asked to write down the number of pull-ups that 7 of his classmates could do. He wrote down: 3, 2, high, low, 6, 1, 8. Owen said that "high" was greater than 6 and "low" was less than 2. Find the median.

2

3

2.5

Cannot be determined.

- 12. Multiple Choice
On a recent test, one class of 26 students had a mean score of 78%, while another class of 32 students had a mean score of 86%. What is the overall mean of the two classes combined?

82

82.4

81

83

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