Question 1

The 50th percentile of a distribution is the same as the distribution mean.

Accepted Answer

A) True 
 B)False

Question 2

A dot plot shows the relative symmetry of a distribution.

Accepted Answer

A) True 
 B)False

Question 3

The coefficient of skewness measures the symmetry of a distribution based on the standard deviation as a percent of the mean.

Accepted Answer

A) True 
 B)False

Question 4

What is the possible range of values for Pearson's coefficient of skewness?

Accepted Answer

A)  -1 and +1
B)  -3 and +3
C)  0% and 100%
D)  Unlimited values

Question 5

In a contingency table,we describe the relationship between

Accepted Answer

A)  two variables measured at the ordinal or nominal level.
B)  two variables,one measured as an ordinal variable and the other as a ratio variable.
C)  two variables measured at the interval or ratio level.
D)  a variable measure on the interval or ratio level and time.

Exam 4: Describing Data: Displaying and Exploring Data

The coefficient of skewness measures the symmetry of a distribution based on the standard deviation as a percent of the mean.

Correct Answer
verified

In a contingency table,we describe the relationship between

Correct Answer
verified

What is the possible range of values for Pearson's coefficient of skewness?

Correct Answer
verified

A dot plot shows the relative symmetry of a distribution.

Correct Answer
verified

The 50^th percentile of a distribution is the same as the distribution mean.

Correct Answer
verified

Exam 4: Describing Data: Displaying and Exploring Data

The coefficient of skewness measures the symmetry of a distribution based on the standard deviation as a percent of the mean.

Correct AnswerverifiedShow Answer

In a contingency table,we describe the relationship between

Correct AnswerverifiedShow Answer

What is the possible range of values for Pearson's coefficient of skewness?

Correct AnswerverifiedShow Answer

A dot plot shows the relative symmetry of a distribution.

Correct AnswerverifiedShow Answer

The 50th percentile of a distribution is the same as the distribution mean.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

The 50^th percentile of a distribution is the same as the distribution mean.

Correct Answer
verified