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Stats 235

Authored by Anthony Clark

Mathematics

12th Grade

Stats 235
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the standard deviation for the data given:

5, 10, 7, 12, 0, 20, 15, 22, 8, 2

6.89

10.1

7.26

9

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

This data is normally distributed.  What percent of the data is in the shaded region?

68%

95%

99.7%

50%

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What does this symbol represent?

Standard Deviation

Variance

Mean Absolute Deviation

Sigma

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the mean of these numbers:
5,11,2,12,4,2

4.1

6

4.5

4

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the mean?

happening the most

the number in the middle

biggest-smallest

the average

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the median?

biggest- smallest

average

the middle #

# that happens the most

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The mean life of a tire is 30,000 km. The standard deviation is 2000 km.

Then, 68% of all tires will have a life between ___________ km and __________ km.

 28,000 km and 32,000 km.

24,000 km and 34,000 km.

26,000 km and 34,000 km.

27,000 km and 31,000 km.

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