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2. Experiment or observational study ? a. According to insurance records, people who drive red cars are more likely to get into accidents than people who drive white cars. b. Emily has decided to collect data on ballet dancers and their grades in school. Emily will collect data by conducting a survey, asking each dancer his or her level of ability, number of hours spent training per week, GPA in school and averages in each class. Once Emily collects this data, she can use the data to develop a conclusion. C. Does the color of a basketball influence the number of times a shooter sinks a basket? A random group of students is chosen and asked to shoot a series of baskets using a regulation normal-colored basketball. The data is recorded. The same group is then given a blue colored basketball and the same number of shots is repeated. The data is again recorded. A statistical analysis is performed.

2. Experiment or observational study ? a. According to insurance records, people who drive red cars are more likely to get into accidents than people who drive white cars. b. Emily has decided to collect data on ballet dancers and their grades in school. Emily will collect data by conducting a survey, asking each dancer his or her level of ability, number of hours spent training per week, GPA in school and averages in each class. Once Emily collects this data, she can use the data to develop a conclusion. C. Does the color of a basketball influence the number of times a shooter sinks a basket? A random group of students is chosen and asked to shoot a series of baskets using a regulation normal-colored basketball. The data is recorded. The same group is then given a blue colored basketball and the same number of shots is repeated. The data is again recorded. A statistical analysis is performed.

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter11: Data Analysis And Displays
Section11.4: Two-ways Tables
Problem 7E
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2. Experiment or observational study ? a. According to insurance records, people who drive red cars are more likely to get into accidents than people who drive white cars. b. Emily has decided to collect data on ballet dancers and their grades in school. Emily will collect data by conducting a survey, asking each dancer his or her level of ability, number of hours spent training per week, GPA in school and averages in each class. Once Emily collects this data, she can use the data to develop a conclusion. C. Does the color of a basketball influence the number of times a shooter sinks a basket? A random group of students is chosen and asked to shoot a series of baskets using a regulation normal-colored basketball. The data is recorded. The same group is then given a blue colored basketball and the same number of shots is repeated. The data is again recorded. A statistical analysis is performed.
Transcribed Image Text:2. Experiment or observational study ? a. According to insurance records, people who drive red cars are more likely to get into accidents than people who drive white cars. b. Emily has decided to collect data on ballet dancers and their grades in school. Emily will collect data by conducting a survey, asking each dancer his or her level of ability, number of hours spent training per week, GPA in school and averages in each class. Once Emily collects this data, she can use the data to develop a conclusion. C. Does the color of a basketball influence the number of times a shooter sinks a basket? A random group of students is chosen and asked to shoot a series of baskets using a regulation normal-colored basketball. The data is recorded. The same group is then given a blue colored basketball and the same number of shots is repeated. The data is again recorded. A statistical analysis is performed.
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