Algebra 1 | Unit 3 | Lesson 4: Linear Models | Practice Problems

Use the best fit line to estimate the time for a trip that is 6 miles long. Show your reasoning.

Data is collected about the number of wins and losses by a random sample of teams with an animal mascot and those with another kind of mascot. The column relative frequencies are shown in the table. Based on the information in the table, is there an association between the variables? Explain your reasoning.

Animal Mascot	Other Type of Mascot
Wins	74%	49%
Losses	26%	51%

A random selection of indoor and outdoor pool managers are surveyed about the number of people in each age group that swim there. Results from the survey are displayed in the two-way table. Based on the data, does there appear to be an association between pool type and age group? Explain your reasoning.

Type	Outdoor Pool	Indoor Pool
Younger than 18	317	41
18 or older	352	163

Data from a random sample of people are collected about how they watch movies in the genres of action or mystery. Which value would best fit in the missing cell to suggest there is no association between the genre and how the movies are watched?

	Streaming Movies	Disc Rental
Action	526	147
Mystery	317	?

• A: 19

• B: 89

• C: 147

• D: 320