Free Printable Stats IM2 Honors

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Stats IM2 Honors

Total questions: 18

Worksheet time: 19mins

Name

Class

Date

Roger bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is Roger's median score?

127

155

156

193

What is the interquartile range (IQR)?

What is the mode?

The average

The number that appears most often.

The largest number - the smallest number

The number in the middle.

Find the mean:

28, 18, 19, 18, 17

What does point C on the box plot represent?

First Quartile

Median

Third Quartile

Mean

What do points B and D represent on the box plot?

Mean and Mode

Mean and Median

Least and Greatest Value

First and Third Quartiles

What is the formula to find the z-score for population?

$\frac{\mu-x}{\sigma}$

$\frac{\sigma-\mu}{x}$

$\frac{z}{M}=\mu$

$\frac{x-\mu}{\sigma}$

Find the Z-score.

Mean = 22

Standard Deviation: 3.1

x = 29

2.26

16.45

-2.26

1.26

Find the Z-score.

Mean = 27

Standard Deviation: 1.4

x = 11

-11.43

7.85

-2.33

4.16

10.

What percent of people within 1 standard deviation of the mean?

99.7

11.

What percent of people within 2 standard deviations of the mean?

99.7

12.

What percent of people within 3 standard deviations of the mean?

99.7

13.

Which interval shows 68% of the data given a mean of 15 and a standard deviation of 3?

9 to 21

12 to 18

6 to 24

13 to 16

14.

Which interval shows 95% of the data given a mean of 15 and a standard deviation of 3?

9 to 21

12 to 18

6 to 24

13 to 16

15.

What is the probability that a score is under (left of) 1.73?

.9484

.9664

.9573

.9582

16.

What is the probability that a score is above (right of) 2.37?

.0116

.0089

.0068

.0051

17.

What is the probability that a score is above (right of) -.64?

.2643

.7357

.7389

.2611

18.

What is the probability that a score will fall between 1.12 and 1.94 standard deviations?

.0905

.1052

.0850

.0672

100 %

Stats IM2 Honors

Total questions: 18

Worksheet time: 19mins

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