Of the following dotplots, which represents the set of data that has the greatest standard deviation?
AP Statistics Review

Quiz
•
Mathematics
•
11th Grade
•
Easy
Anthony Clark
Used 7+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Gina's doctor told her that the standardized score (z- score) for her systolic blood pressure, as compared to the blood pressure of other women her age, is 1.50. Which of the following is the best interpretation of this standardized score?
Gina's systolic blood pressure is 150.
Gina's systolic blood pressure is 1.50 standard deviations above the average systolic blood pressure of women her age.
Gina's systolic blood pressure is 1.50 above the average systolic blood pressure of women her age.
Gina's systolic blood pressure is 1.50 times the average systolic blood pressure for women her age.
Only 1.5% of women Gina's age have a higher systolic blood pressure than she does.
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Which of the graphs would have a correlation coefficient of r = 0.69 ?
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Which of the following is the regression equation for this data?
Price^ = 87.3180 - 19.4(Area)
Price^ = -19.4 + 0.1297(Area)
Area^ = -19.4 + 0.1297(Price)
Price^ = 0.1297 - 19.4(Area)
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Estimate the correlation coefficient.
r = -0.8
r = -0.5
r = 0.5
r = 0.8
6.
MULTIPLE SELECT QUESTION
1 min • 5 pts
The ___________________ measures the percent of the variability in the response variable that is accounted for by the least-squares regression line.
correlation r
coefficient of relaxation
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
You are analyzing a scatter plot that has a negative correlation. What is true of the of the x and y values?
As x increases, y decreases
As x increases, y increases
As x decreases, y decreases
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