AP Stat Cumulative 1-6 Exam Questions
And Answers
The following boxplot shows the typical gas mileage, in miles per
gallon, for 20 different car models.
Based on the boxplot, the top 25 percent of the cars have a typical
gas mileage of at least how many miles per gallon?
a. 15
b. 50
c. 25
d. 35
e. 20 -
correct answer 35
The following relative frequency table shows the political party
affiliation for a sample of 500 people in a certain town.
Which of the following statements is supported by the table?
a. At least 80 people are affiliated with the Green Party or the
Libertarians.
b. Less than half of the people are affiliated with the Democrats or
the Republicans.
,AP Stat Cumulative 1-6 Exam Questions
And Answers
c. At least 200 people are affiliated with the Democrats.
d. The number of people affiliated with the Republicans is 30.
e. The number of people affiliated with the Independents is 100. -
correct answer The number of people affiliated with the
Independents is 100.
The histogram shown summarizes the responses of 100 people
when asked, "What was the price of the last meal you purchased?"
Based on the histogram, which of the following could be the
interquartile range of the prices?
a. $5
b. $3
c. $21
d. $10
e. $40 -
correct answer $5
A sample of 942 homeowners are classified, in the two-way
frequency table below, by the number of credit cards they have and
the number of years they have owned their current homes. Of the
,AP Stat Cumulative 1-6 Exam Questions
And Answers
homeowners in the sample who have four or more credit cards,
what proportion have owned their current homes for at least one
year?
a. 78/942
b. 78/212
c. 258/942
d. 212/942
e. 78/258 -
correct answer 78/212
The 35th percentile of a population is the number x such that...
a. 65% of the population scores are below x.
b. 35% of the population scores are less than or equal to x.
c. x is 35% of the population mean.
d. x is 35% of the population median.
e. 35% of the population scores equal x. -
correct answer 35% of the population scores are less than or
equal to x
, AP Stat Cumulative 1-6 Exam Questions
And Answers
Items produced by a manufacturing process are supposed to weigh
90 grams. The manufacturing process is such, however, that there is
variability in the items produced and they do not all weigh exactly
90 grams. The distribution of weights can be approximated by a
Normal distribution with mean 90 grams and a standard deviation
of 1 gram. Using the Empirical Rule, about what percentage of the
items will either weigh less than 87 grams or more than 93 grams?
a. 94%
b. 0.15%
c. 0.3%
d. 6%
e. 99.7% -
correct answer 0.3%
Research indicates that the standard deviation of typical human
body temperature is 0.4 degree Celsius (C). Which of the following
represents the standard deviation of typical human body
temperature in degrees Fahrenheit (F), where
F =9/5C + 32?
And Answers
The following boxplot shows the typical gas mileage, in miles per
gallon, for 20 different car models.
Based on the boxplot, the top 25 percent of the cars have a typical
gas mileage of at least how many miles per gallon?
a. 15
b. 50
c. 25
d. 35
e. 20 -
correct answer 35
The following relative frequency table shows the political party
affiliation for a sample of 500 people in a certain town.
Which of the following statements is supported by the table?
a. At least 80 people are affiliated with the Green Party or the
Libertarians.
b. Less than half of the people are affiliated with the Democrats or
the Republicans.
,AP Stat Cumulative 1-6 Exam Questions
And Answers
c. At least 200 people are affiliated with the Democrats.
d. The number of people affiliated with the Republicans is 30.
e. The number of people affiliated with the Independents is 100. -
correct answer The number of people affiliated with the
Independents is 100.
The histogram shown summarizes the responses of 100 people
when asked, "What was the price of the last meal you purchased?"
Based on the histogram, which of the following could be the
interquartile range of the prices?
a. $5
b. $3
c. $21
d. $10
e. $40 -
correct answer $5
A sample of 942 homeowners are classified, in the two-way
frequency table below, by the number of credit cards they have and
the number of years they have owned their current homes. Of the
,AP Stat Cumulative 1-6 Exam Questions
And Answers
homeowners in the sample who have four or more credit cards,
what proportion have owned their current homes for at least one
year?
a. 78/942
b. 78/212
c. 258/942
d. 212/942
e. 78/258 -
correct answer 78/212
The 35th percentile of a population is the number x such that...
a. 65% of the population scores are below x.
b. 35% of the population scores are less than or equal to x.
c. x is 35% of the population mean.
d. x is 35% of the population median.
e. 35% of the population scores equal x. -
correct answer 35% of the population scores are less than or
equal to x
, AP Stat Cumulative 1-6 Exam Questions
And Answers
Items produced by a manufacturing process are supposed to weigh
90 grams. The manufacturing process is such, however, that there is
variability in the items produced and they do not all weigh exactly
90 grams. The distribution of weights can be approximated by a
Normal distribution with mean 90 grams and a standard deviation
of 1 gram. Using the Empirical Rule, about what percentage of the
items will either weigh less than 87 grams or more than 93 grams?
a. 94%
b. 0.15%
c. 0.3%
d. 6%
e. 99.7% -
correct answer 0.3%
Research indicates that the standard deviation of typical human
body temperature is 0.4 degree Celsius (C). Which of the following
represents the standard deviation of typical human body
temperature in degrees Fahrenheit (F), where
F =9/5C + 32?