AP Stats Unit 1 MCQ Practice

Data are collected on the 35 students in a college history course. Which of the following is not a variable for the data set?

• Student birth month

• Political affiliation of student

• Student age

• Student address

• Number of students in the data set

Tags

CCSS.6.SP.A.3

A local ice-cream shop sells ice-cream cones for $2,00, and customers can choose from the following options:

ice cream flavor

type of cone: sugar or waffle

chocolate dipped for an additional $0.50

sprinkles for an additional $0.50

Which of the following is a quantitative variable?

• ice cream flavor

• type of cone

• chocolate dipped or not

• sprinkles or not

• the total cost of the cone

Tags

CCSS.HSS.MD.A.1

Students in a class were asked to choose their favorite school subject. The frequency table summarizes the responses.

Which of the following statements is supported by the frequency table?

• More students chose math as their favorite subject than the combined number of students who chose English and science.

• Fewer students chose math as their favorite subject than the combined number of students who chose science and social studies.

• The total number of students in the class is less than 20.

• Seventy percent of the students chose math as their favorite subject.

• Less than half of the students chose math as their favorite subject.

Tags

CCSS.2.MD.D.10

The relative frequency table shows reasons given by high school students for their last absence from school.

Which of the following is not supported by the relative frequency table?

• More than half of the students were absent because of illness.

• More than one-third of the students were absent because of oversleeping or college visits.

• The reason given the least number of times was did not finish assignment.

• Only 7 students were absent because they did not finish an assignment.

• Less than one-fourth of the students were absent because they overslept.

Tags

CCSS.8.SP.A.4

Residents from five districts of a city were asked whether they were in favor of a city proposal to create new bike lanes in the roads. The bar chart shows the relative frequency in each district of those who responded that they were in favor of the proposal.

Which of the following statements is supported by the bar chart?

• District 2 has the greatest number of residents who are in favor of the proposal.

• District 1 has the least number of residents who are in favor of the proposal.

• All districts show at least 60% of residents in favor of the proposal.

• In 3 districts, less than half of the residents were in favor of the proposal.

• District 2 has the greatest percentage of residents who are in favor of the proposal.

Tags

CCSS.8.SP.A.4

The occupancy rate of a motel is the percentage of rooms that are occupied on a particular night. The histogram summarizes the occupancy rates for a random sample of 100 nights for a motel. Based on the histogram, which of the following best describes the shape of the distribution of occupancy rates?

• skewed left

• skewed right

• symmetric

• bimodal

• uniform

Tags

CCSS.HSS.ID.A.1

CCSS.HSS.ID.A.3

Relative humidity is a measure, expressed as a percentage, of the amount of water vapor present in air. The histogram summarizes the relative humidity, at noon, for a random sample of 100 days for a certain city.

Based on the histogram, which of the following is the best description of the distribution?

• The distribution displays a gap with a potential outlier located between 40% and 45%.

• The distribution displays a gap with potential outliers located between 90% and 95%.

• The distribution displays a gap with potential outliers located between 70% and 75%.

• The distribution displays two clusters with no apparent outliers.

• The distribution is uniform.

Tags

CCSS.HSS.ID.A.1

CCSS.HSS.ID.A.2

CCSS.HSS.ID.A.3

The diameter, in centimeters (cm), of each tree in a random sample of trees in a forest was measured. The histogram shown summarizes the diameters.

Which of the following is the best description of the distribution?

• The distribution consists of two clusters and a gap.

• The distribution is approximately normal.

• The distribution is symmetric with a skew to the right.

• The distribution is skewed to the left.

• The distribution is uniform.

Tags

CCSS.HSS.ID.A.1

CCSS.HSS.ID.A.3

The table shows the number of miles a hiker walked on a trail each day for 6 days. What was the mean number of miles the hiker walked for the 6 days?

• 3.5

• 4.5

• 6.5

• 7.5

• 8

Tags

CCSS.6.SP.B.5C

The following list shows the number of goals scored by a soccer team in each of 9 games.

0, 0, 1, 1, 1, 3, 3, 4, 5

How does the median number of goals scored compare with the mean number of goals scored?

• The median is equal to the mean

• The median is less than the mean by 1

• The median is greater than the mean by 1

• The median is less than the mean by 2

• The median is greater than the mean by 2

Tags

CCSS.HSS.ID.A.2