Question 1

A numerical summary of a distribution should report at least its center, its spread, or ________?

Accepted Answer

variability

Question 2

x bar represents the __________?

Accepted Answer

mean

Question 3

M, or capital m, represents the ___________?

Accepted Answer

median

Question 4

The mean is the _____________ of the observations.

Accepted Answer

average

Question 5

The median is the ______________ of the distribution.

Accepted Answer

center

Question 6

The first quartile Q1 has about one-_________ of the observations below it.

Accepted Answer

fourth

Question 7

Q3 has about _____________ - fourths of the observations below it.

Accepted Answer

three

Question 8

The IQR is the range of the middle _________% of the observations is found.

Accepted Answer

50

Question 9

Complete: IQR = _________ - Q1.

Accepted Answer

Q3

Question 10

An extreme observation is called a(n) ______________.

Accepted Answer

outlier

Question 11

An outlier is smaller than Q1-(____________) or larger than Q3+(____________) .

Accepted Answer

1.5 x IQR

Question 12

The five number summary includes the median, quartiles, the maximum, and ___________ of a distribution.

Accepted Answer

minimum

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