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onth (rounded to the nearest dollar) and degree of customer satisfaction a scale of 1 - 10 with a 1 being not at all satisfied and a 10 being remely satisfied). The researcher only includes programs with mparable types of services. A sample of the data is provided below. dollar satisfactio 11 6 18

onth (rounded to the nearest dollar) and degree of customer satisfaction a scale of 1 - 10 with a 1 being not at all satisfied and a 10 being remely satisfied). The researcher only includes programs with mparable types of services. A sample of the data is provided below. dollar satisfactio 11 6 18

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
Section4.5: Correlation And Causation
Problem 11PPS
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2. With the growth of internet service providers, a researcher decides to examine whether there is a correlation between cost of internet service per month (rounded to the nearest dollar) and degree of customer satisfaction (on a scale of 1- 10 with a 1 being not at all satisfied and a 10 being extremely satisfied). The researcher only includes programs with comparable types of services. A sample of the data is provided below. dollar satisfactio n 11 6 18 17 10 15 4 5 6 12 3 19 5 22 2 25 10 a. Compute the correlation coefficient. b. Determine the equation of regression if the level of satisfaction is being predicted. c. What satisfaction level would the customers achieved if they are paying $20? $8? $16? d. Determine the equation of regression if the cost is being predicted. e. How much would it cost to have a satisfaction level of 7? f. Explain the predicting capability of the equation.
Transcribed Image Text:2. With the growth of internet service providers, a researcher decides to examine whether there is a correlation between cost of internet service per month (rounded to the nearest dollar) and degree of customer satisfaction (on a scale of 1- 10 with a 1 being not at all satisfied and a 10 being extremely satisfied). The researcher only includes programs with comparable types of services. A sample of the data is provided below. dollar satisfactio n 11 6 18 17 10 15 4 5 6 12 3 19 5 22 2 25 10 a. Compute the correlation coefficient. b. Determine the equation of regression if the level of satisfaction is being predicted. c. What satisfaction level would the customers achieved if they are paying $20? $8? $16? d. Determine the equation of regression if the cost is being predicted. e. How much would it cost to have a satisfaction level of 7? f. Explain the predicting capability of the equation.
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