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14209an1.5-6

# 14209an1.5-6 - c Kendra Kilmer Section 1.3 Linear...

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c ± Kendra Kilmer January 19, 2009 Section 1.3 - Linear Regression Example 1: The following table gives the actual high temperature in College Station for a few days in August where x represents the day of the month of August and y represents the temperature in F . x y 1 99 2 102 4 105 Use the above model to predict the temperature on August 10th. 5

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c ± Kendra Kilmer January 19, 2009 Calculator Steps Enter your x and y values into lists. To do this, hit STAT and select 1: Edit. .. If you have anything in L1 and L2, cursor up to the name of the list, hit CLEAR and ENTER. Now just enter in your values one at a time by pressing ENTER after each number. To ﬁnd the regression equation, ﬁrst hit STAT, cursor right to CALC and select option 4: LinReg(ax+b). Now press 2nd 1 , 2nd 2, to specify that you entered the input into L1 and the output into L2. (Don’t forget to put commas between the 2 variables). To give your regression equation a name before you hit ENTER, hit VARS, arrow to Y-Vars, select 1:Function, and then select a name. At this point in time you
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14209an1.5-6 - c Kendra Kilmer Section 1.3 Linear...

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