Question 1

The z-score has no units even though the original values will normally be expressed in units such as dollars, years, pounds, or calories.

Accepted Answer

A) True 
 B)False

Question 2

A scatter plot is a graphical display showing the relative position of the three quartiles as a box on a number line along with the minimum and maximum values in the data set and any outliers.

Accepted Answer

A) True 
 B)False

Question 3

The sample covariance can be equal to any value ________.

Accepted Answer

A)  between -œ and +œ
B)  other than zero
C)  greater than or equal to zero
D)  between - 1.0 and +1.0E) A) and C)
F) A) and D)

Question 4

The sample correlation coefficient can be equal to any value------------- .

Accepted Answer

A)  other than zero
B)  between -œ and +œ
C)  greater than or equal to zero
D)  between - 1.0 and +1.0E) A) and B)
F) A) and D)

Question 5

The ------ measures a distribution's standard deviation in terms of its percentage to the mean.

Accepted Answer

A)  variance
B)  z-score
C)  coefficient of variation
D)  medianE) None of the above
F) All of the above

Question 6

When outliers are present in the data set, the ---------- is the best choice to measure central tendency.

Accepted Answer

A)  standard deviation
B)  median
C)  mean
D)  modeE) C) and D)
F) A) and B)

Exam 3: Stress

A scatter plot is a graphical display showing the relative position of the three quartiles as a box on a number line along with the minimum and maximum values in the data set and any outliers.

Correct Answer
verified

The sample covariance can be equal to any value ________.

Correct Answer
verified

The z-score has no units even though the original values will normally be expressed in units such as dollars, years, pounds, or calories.

Correct Answer
verified

The sample correlation coefficient can be equal to any value------------- .

Correct Answer
verified

The ------ measures a distribution's standard deviation in terms of its percentage to the mean.

Correct Answer
verified

When outliers are present in the data set, the ---------- is the best choice to measure central tendency.

Correct Answer
verified

Exam 3: Stress

A scatter plot is a graphical display showing the relative position of the three quartiles as a box on a number line along with the minimum and maximum values in the data set and any outliers.

Correct AnswerverifiedShow Answer

The sample covariance can be equal to any value ________.

Correct AnswerverifiedShow Answer

The z-score has no units even though the original values will normally be expressed in units such as dollars, years, pounds, or calories.

Correct AnswerverifiedShow Answer

The sample correlation coefficient can be equal to any value------------- .

Correct AnswerverifiedShow Answer

The ------ measures a distribution's standard deviation in terms of its percentage to the mean.

Correct AnswerverifiedShow Answer

When outliers are present in the data set, the ---------- is the best choice to measure central tendency.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified