AP Statistics Review

Quiz
•
Mathematics
•
12th Grade
•
Hard
Anthony Clark
FREE Resource
14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The "Emperical Rule" states that the normal distribution contains 99.7% of the data between how many standard deviations?
3
1
2
10
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How do we determine an upper end outlier of a distribution?
Mean + 3(IQR)
Median +3(IQR)
Q3 +1.5(IQR)
Maximum - .5(IQR)
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The five number summary for a one-variable dataset is {5, 28, 29, 42, 75}. If you wanted to construct a modified boxplot for the dataset (that is, one that would show outliers if there are any), what would be the maximum possible length of the right side “whisker”?
21
42
33
14
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A study was done on the relationship between high school grade point average (GPA) and scores on the SAT. The following 8 scores were from a random sample of students taking the exam:
x(GPA) 3.2 3.7 3.9 3.1 3.6 2.5 2.9 3.5
y(SAT) 725 743 745 665 700 562 590 740
What is the percent of variation in SAT scores is accounted for by the LSRL?
0.98
0.35
-0.35
0.12
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A least-squares regression line for predicting performance on a college entrance exam based on high school grade point average (GPA) is determined to be
predicted score = 273.5 + 91.2(GPA)
One student in the study had a high school GPA of 3.2 and an exam score of 550. What is the residual for this student?
15.34
40.23
-40.23
-15.34
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The proportion of observations from a standard normal distribution that take values larger than 0.75 is about
0.2266
0.2500
0.7704
0.8023
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The correlation coefficient is represented by what?
r
r^2
s
c
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