AP STATS Warm Up #1

You open a package of Lucky Charms cereal and count how many there are of each  ​marshmallow shape. The distribution of the variable "marshmallow" is:

• The shape: star, heart, moon, clover, diamond, horseshoe, balloon

• The total number of marshmallows in the package

• Seven - the number of different shapes that are in the package

• The seven different shapes and how many there are of each

• Since "shape" is a categorical variable, it doesn't have a distribution

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?

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

• The number of people affiliated with the Independents 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.

• At least 80 people are affiliated with the Green Party or the Libertarians

Tags

CCSS.8.SP.A.4

A survey of 57 students was conducted to determine whether or not they held jobs outside of school. The two-way table above shows the number of students by employment status (job, no  job), and class (juniors, seniors). Which of the following best describes the relationship between employment status and class?

• There appears to be no association, since the same number of juniors and seniors have jobs.

• There appears to be no association, since close to half of the students have jobs.

• There appears to be an association, since there are more seniors than juniors in the survey.

• There appears to be an association, since the proportion of juniors having jobs is much larger than the proportion of seniors having jobs.

• A measure of association cannot be determined from these data.

Tags

CCSS.8.SP.A.4

Jonathan has been recording his outcomes for three games that he has played this summer. Here is his data:

The graph of which distribution is shown?

• The marginal distribution of game played

• The conditional distribution of outcome for games played of mancala

• The conditional distributions of game played for losses

• The marginal distribution of outcome.

Tags

CCSS.8.SP.A.4

A veterinarian collected data about the kinds and sources of pets from his clients.  Here is some of the data:

The graph of which distribution is shown?

• The conditional distribution of pet source for dogs

• This is the marginal distribution of kind of pet (dog or cat)

• The marginal distribution of pet source

• The conditional distribution of kind of pet for each pet source.

Tags

CCSS.8.SP.A.4

Data was 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 monetary value of the coin

• The color of the coin

• The person depicted on the face of the coin

• The location where the coin was minted