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Linear Correlation 1 Notes Spring

Linear Correlation 1 Notes Spring - 2 of 17 1.1...

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2 of 17 1.1 Introduction 56 58 60 62 64 66 68 65 70 75 height_mother height 8 10 12 14 16 65 70 75 forearm height 0 10 20 30 40 50 65 70 75 work_hours height 5 10 15 65 70 75 credits height Motivation Example 1 . How much of a individual’s height is explained by their mother’s height? Use our class data to determine if there is a linear relationship between a mother’s height and their child’s height (your height) and how much variation in the child’s height can be explained by the mother’s height. R: height = c l a s s . data $ height R: height mother = c l a s s . data $ height mother The first few data points are: Use a scatter plot to see if a relationship exists R: plot ( height mother , height , main = ”Height in inches ”) Anthony Tanbakuchi MAT167
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Linear correlation 3 of 17 height height mother 1 65 65 2 68 67 3 71 63 4 66 64 5 68 65 6 65 62 56 58 60 62 64 66 68 65 70 75 Height in inches height_mother height Question 1 . Does it look like there is a linear relation ship? Draw a best fit line in the data Paired data.
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