AP Statistics - Daily Video 1.1-1.4

The following table shows data for the 8 longest roller coasters in the world as of 2015. Which of the following variables is categorical?

• length

• type

• speed

• height

Which of the following questions about cars in a school parking lot will allow for the collection of a set of categorical data?

• How many blue cars are in the lot?

• What are the gas mileages, in miles per gallon, of the cars in the lot?

• What is the number of cars in the lot with out-of-state license plates?

• What are the colors of the cars in the lot?

Data were collected on 100 United States coins minted in 2018. Which of the following represents a quantitative variable for the data collected?

• The type of metal used in the coin.

• The value of the coin

• The color of the coin

• The location where the coin was minted

The following frequency table shows the responses from a group of college students who were asked to choose their favorite flavor of ice cream. Which of the following statements is not supported by the table?

• The number of student responses is 300.

• One-third of the students chose vanilla.

• One-third of the students chose chocolate or strawberry.

• One-half of the students chose vanilla or chocolate

Tags

CCSS.3.MD.B.3

The following frequency table shows the political party affiliation for a sample of 500 people in a certain town. Which of the following is supported by the table?

• The number of people affiliated with the Republicans is 30.

• The number of people affiliated with the Independent is 100.

• Less than half of the people are affiliated with the Democrats or the Republicans.

• At least 200 people are affiliated with the Democrats.

Tags

CCSS.8.SP.A.4

The following table summarizes the number of pies sold at a booth one day at a local farmers market. Which of the following statements is supported by the table?

• The combined percentage of key lime pies sold and pumpkin pies sold was less than 50%.

• Fewer than 50 pies were sold at the booth that day.

• More than half the pies sold were apple.

• Twice as many apple pies as key lime pies were sold.

Tags

CCSS.6.SP.B.5A

A market researcher asks a group of men and women to choose their favorite color design from a sample of advertisements. The results are shown in the following table. Which of the following is not supported by the table?

• More men than women choose the color design red with black.

• More women than men choose the color design yellow with black.

• For men, the number who chose a design with black was greater than the number of who chose a design with blue.

• The color design chosen by the most people was green with blue.

Tags

CCSS.8.SP.A.4

In a certain school district, students from grade 6 through grade 12 can participate in a school-sponsored community service activity. The following bar chart shows the relative frequencies of students from each grade who participate in the community service activity. Which of the following statements is supported by the bar chart?

• Grade 11 had the greatest relative frequency of participating students.

• Grade 12 had the least frequency relative of participating students.

• The relative frequency of all participating students in grade 6 and 7 combined was 0.60

• The number of participating students in grade 6 was equal to the number of participating students in grade 7.

Tags

CCSS.2.MD.D.10

A child psychologist asked 100 five year olds and 50 ten year olds to name their favorite color. The results are shown in the following table. Which of the following statements is supported by the table?

• The percentage of five year olds who selected red or blue as their favorite color is greater than ten year old who selected red or blue as their favorite color.

• The percentage of five year old who selected yellow as their favorite color is greater than ten year old who selected yellow as their favorite color.

• The percentage of children who selected red, yellow, or blue as their favorite color was equal for both ages.

• Less than half of the five year olds selected red, yellow, or blue as their favorite color.

The following pie chart summarizes the results of a survey given to the airline about the primary reason for flight delays. Which of the following statement is supported by the pie chart?

• The reason given most frequently was runaway closure.

• More delays were caused by weather than by all other reasons combined.

• More delays were caused by runaway closure than were caused by overbooking.

• Overbooking and runaway closure accounted for greater than one-fourth of the reasons give for flight delays.