4- Consider the set of following data: Temperature 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Percent heat loss from 32 34 35 33 37 46 55 51 43 52 45 53 58 60 62 62 beak a) Make a scatterplot and describe the main features of the distribution. b) Find the correlation coefficient if you see a linear association (use a calculator).

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A: Please refer to the image below

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A: Solution: The correlation coefficient can be calculated by using the following formula:

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A:

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Q: Shoe Print (cm) 28.8 29.5 24.5 28.2 모 24.2 168.4 32.5 31.1 Foot Length (cm) 25.7 28.6 183.5 26.1…

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A: Given,

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A: Given that, ∑X=188, ∑X^2=3832, ∑Y=793, ∑Y^2=65,143 and ∑XY=15,540 Let X be hours studying and Y be…

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A: 1. Correlation coefficient: correlation coefficient, r=0.6422

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