A study was done to look at the relationship between number of movies people watch at the theater each year and the number of books that they read each year. The results of the survey are shown below. Movies 2 3 2 7 4 6 1 5 Books 15 13 15 6 12 6 10 11 Find the correlation coefficient: r=r= Round to 2 decimal places. The null and alternative hypotheses for correlation are: H0:H0: P== 0 H1:H1: P ≠≠ 0 The p-value is: Round to 4 decimal places. r2 = (Round to two decimal places The equation of the linear regression line is: ˆyy^ = + xx (Please show your answers to two decimal places) Use the model to predict the number of books read per year for someone who watches 3 movies per year. Books per year = (Please round your answer to the nearest whole number.)

A study was done to look at the relationship between number of movies people watch at the theater each year and the number of books that they read each year. The results of the survey are shown below. Movies 2 3 2 7 4 6 1 5 Books 15 13 15 6 12 6 10 11 Find the correlation coefficient: r=r= Round to 2 decimal places. The null and alternative hypotheses for correlation are: H0:H0: P== 0 H1:H1: P ≠≠ 0 The p-value is: Round to 4 decimal places. r2 = (Round to two decimal places The equation of the linear regression line is: ˆyy^ = + xx (Please show your answers to two decimal places) Use the model to predict the number of books read per year for someone who watches 3 movies per year. Books per year = (Please round your answer to the nearest whole number.)

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 2BGP

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Question

Movies	2	3	2	7	4	6	1	5
Books	15	13	15	6	12	6	10	11

Find the correlation coefficient: r=r= Round to 2 decimal places.
The null and alternative hypotheses for correlation are:
H0:H0: P== 0
H1:H1: P ≠≠ 0
The p-value is: Round to 4 decimal places.
r2 = (Round to two decimal places
The equation of the linear regression line is:
ˆyy^ = + xx (Please show your answers to two decimal places)
Use the model to predict the number of books read per year for someone who watches 3 movies per year.
Books per year = (Please round your answer to the nearest whole number.)

Definition Definition Statistical measure used to assess the strength and direction of relationships between two variables. Correlation coefficients range between -1 and 1. A coefficient value of 0 indicates that there is no relationship between the variables, whereas a -1 or 1 indicates that there is a perfect negative or positive correlation.

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