# The following data indicate the gain in reading speed

## Problem 5 Chapter 9

Introduction to Probability and Statistics for Engineers and Scientists | 5th Edition

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Introduction to Probability and Statistics for Engineers and Scientists | 5th Edition

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Problem 5

The following data indicate the gain in reading speed versus the number of weeks in the program of 10 students in a speed-reading program. Speed Gain Number of Weeks (wds/min) 2 21 3 42 8 102 11 130 4 52 5 57 9 105 7 85 5 62 7 90 (a) Plot a scatter diagram to see if a linear relationship is indicated. (b) Find the least squares estimates of the regression coefficients. (c) Estimate the expected gain of a student who plans to take the program for 7 weeks.

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Week 1 of Notes : ( Consists of Chapter 1 ) Statistics 1 , Lecture 1 notes in more detail Chapter : Statisti is a waysort out inform, a source to make sense out of certain data. Data is justinformation from an obser ation. A Case known also asobservational , is an individual entibeing observed for data. A Variablis â€‹haracterisor trahat vari s. *Depending...

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The following data indicate the gain in reading speed

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