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Name: Dr. Spring is a consultant for the National Youth Organization of long
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Description: Dr. Spring is a consultant for the National Youth Organization of long jumpers. His goal is to predict how farany given individual will jump (4 attempts) based only on his/her height. Fortunately he had access to height and length of jumps from last

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.1: Measures Of Center

Problem 27PFA

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Dr. Spring is a consultant for the National Youth Organization of long jumpers. His goal is to predict how farany given individual will jump (4 attempts) based only on his/her height. Fortunately he had access to height and length of jumps from last year’s competition. Initial analyses of the data were as follows:

contestant height (inches)

(X)

Length of jumps (inches)

(Y)

mean: 53.100

mean: 123.650

SD: 4.667

SD: 10.535

correlation coefficient= .485, p= .030

(a) Conduct a linear regressionanalysis to predict the length of jumps for the following contestants. (do not round)

Contestant number one 52inches tall, length of jumps =

Contestant number two 70inches tall, length of jumps =

Contestant number three 77inches tall, length of jumps =

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