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The data table below shows the total hours studied over 2 weeks and test scores at the end of the 2 weeks for a calculus course. Find a 95% confidence interval for the slope of the population regression line that relates the response variable to the predictor variable. Time, x 12 Score, y 85 Ex=95, x² = 1,455, b₁ = -0.299, and se = 5.5862 15 84 20 71 9 78 The 95% confidence interval for B₁ is from to (Round to three decimal places as needed.) 18 ... 77 16 86 5 80 y = 84.2-0.299x

The data table below shows the total hours studied over 2 weeks and test scores at the end of the 2 weeks for a calculus course. Find a 95% confidence interval for the slope of the population regression line that relates the response variable to the predictor variable. Time, x 12 Score, y 85 Ex=95, x² = 1,455, b₁ = -0.299, and se = 5.5862 15 84 20 71 9 78 The 95% confidence interval for B₁ is from to (Round to three decimal places as needed.) 18 ... 77 16 86 5 80 y = 84.2-0.299x

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.6: Regression And Median-fit Lines
Problem 4GP
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The data table below shows the total hours studied over 2 weeks and test scores at the end of the 2 weeks for a calculus course. Find a 95% confidence interval for the slope of the population regression line that relates the response variable to the predictor variable. Time, x 12 15 18 Score, y 85 84 78 77 Ex=95, x² = 1,455, b₁ = -0.299, and s₂ = 5.5862 20 71 9 The 95% confidence interval for B₁ is from to (Round to three decimal places as needed.) 16 86 5 80 y = 84.2-0.299x
Transcribed Image Text:The data table below shows the total hours studied over 2 weeks and test scores at the end of the 2 weeks for a calculus course. Find a 95% confidence interval for the slope of the population regression line that relates the response variable to the predictor variable. Time, x 12 15 18 Score, y 85 84 78 77 Ex=95, x² = 1,455, b₁ = -0.299, and s₂ = 5.5862 20 71 9 The 95% confidence interval for B₁ is from to (Round to three decimal places as needed.) 16 86 5 80 y = 84.2-0.299x
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