ent 12.1 12.3 Due Tue 02/20/2018 11:00 pm Show Intro/Instructions Annual high te

Question

ent 12.1 12.3 Due Tue 02/20/2018 11:00 pm Show Intro/Instructions Annual high temperatures in a certain location have been tracked for several years. Let X represent the year and Y' the high temperature. Based on the data shown below, calculate the correlation coefficient (to three decimal places) between X and Y. Use your calculator! 4 15.88 15.5 6 16.02 715.44 8 14.86 1016.3 11 1792 2 18.34 3 16.86 14 20.78 15 20.6 16 20.02 1720.34 18 20.96 Ciet help Box 1: Eter yo answer as an integes or decimal omber Examples: 3,-4,5.5172 Enner DNE for Dhoes Not Esxist, oo for lntinity MCUNS2

Explanation / Answer

By using TI - 84 :

Press 2ND > then 0 > scroll down > DiagnosticON > press until you will see Done on sceen

Then enter the data in calculator > x into L1 and Y into L2

Now Go to STAT > CALC > LinReg ( ax + b )

you will get output where you will get value of r .

So r = 0.895855

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