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Draw the line think best fits the data

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Reference no: EM132857512

Shetland Ponies How much should a healthy Shetland pony weigh? Let x be the age of the pony (in months), and let y be the average weight of the pony (in kilograms). 

x3 6 12 18 24

y60 95 140 170 185

  1. Make a scatter diagram and draw the line you think best fits the data. would you say the correlation is low, moderate, or strong? positive or negative?
  2. Verify that ∑ x =63, ∑ x 2 =1089, ∑ y =650, ∑ 2 =95350,   and ∑ xy =9930
  3. Compute r.  As  x increases from 3 to 24, does the value of r  imply that y should tend to increase or decrease? Explain.

Reference no: EM132857512

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