A liquor wholesaler is interested in assessing the effect of the price of a premium scotch whiskey on the quantity sold. table on price, in dollars, and sales, in cases, were obtained from a sample of 8 weeks The results in the accompanying of sales records. 19.2 20.3 20.8 Price Sales 25.1 14.3 11.4 a. Estimate by least squares the linear regression of increase in sales on increase in price. b. Find a 95% confidence interval for the slope of the population regression line. Click to view the table of critical values of the Student's t distribution. 19.8 18.5 a.ŷ₁ = + (x₁ (Round to three decimal places as needed.) 21.3 11.3 19.8 15.5 17.7 29.7 17.1 35.4

A liquor wholesaler is interested in assessing the effect of the price of a premium scotch whiskey on the quantity sold. table on price, in dollars, and sales, in cases, were obtained from a sample of 8 weeks The results in the accompanying of sales records. 19.2 20.3 20.8 Price Sales 25.1 14.3 11.4 a. Estimate by least squares the linear regression of increase in sales on increase in price. b. Find a 95% confidence interval for the slope of the population regression line. Click to view the table of critical values of the Student's t distribution. 19.8 18.5 a.ŷ₁ = + (x₁ (Round to three decimal places as needed.) 21.3 11.3 19.8 15.5 17.7 29.7 17.1 35.4

Calculus For The Life Sciences

2nd Edition

ISBN:9780321964038

Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Chapter1: Functions

Section1.2: The Least Square Line

Problem 7E

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