AP Stat Unit 6

Quiz
•
Mathematics
•
12th Grade
•
Hard
Anthony Clark
FREE Resource
14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The z-score represents.....
the amount of standard deviations a data value is above or below the mean.
the percentile the data value is above or below the mean.
the amount of standard deviations a data value is above or below the median.
the percent the data value is above or below the mean.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The distances male long jumpers for State College jump are approximately normal with a mean of 263 inches and a standard deviation of 14 inches.
Suppose a male long jumper's jump ranked in the 75th percentile. How long was his jump?
0.67 inch
263 inches
272.44 inches
277.25 inches
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The probability distribution for the number of heads in four tosses of a coin is given above. The probability of getting at least one tail in four tosses of a coin is
15/16
4/16
1/16
14/16
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
According to the U.S. Census, the proportion of adults in a certain county who owned their own home was 0.71. An SRS of 100 adults in a certain section of the county found that 65 owned their home. Which one of the following represents the approximate probability of obtaining a sample of 100 adults in which fewer than 65 own their home, assuming that this section of the county has the same overall proportion of adults who own their home as does the entire county?
a
b
c
d
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Records from a random sample of dairy farms yielded the information above on the number of male and female calves born at various times of the day.
What is the probability that a randomly selected calf was born in the night or was a female?
369/513
261/513
223/513
116/233
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A grocery chain runs a prize game by giving each customer a ticket that may win a prize when the box is scratched off. Printed on the ticket is a dollar value ($500,$100, $25) or the statement “This ticket is not a winner.” Monetary prizes can be redeemed for groceries at the store. Here is the probability distribution above represents the amount won on a randomly selected ticket.
Which of the following are the mean and standard deviation, respectively, of the winnings?
$15.00, $2900.00
$15.00, $53.85
$15.00, $26.93
$156.25, $53.85
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The five-number summary for a data set is given by min = 5, Q1 = 18, median = 20, Q3 = 40, max = 75. If you wanted to construct a boxplot for the data set (that is, one that would show outliers, if any existed), what would be the maximum possible length of the right-side “whisker”?
35
40
45
53
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