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Construct a scatter plot

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A classic application of correlation involves the association between temperature and the number of times a cricket chirps in a minute.  Listed below are the number of chirps in 1 minute and the corresponding temperature in °F.

Chirps in 1 min 882 1188 1104 864 1200 1032 960 900

Temp in °F

 69.7 93.3 84.3 76.3 88.6 82.6 71.6 79.6

1. Construct a scatter plot

2. Find the value of the linear correlation coefficient r.

3. Find the critical values of r from attached table (see attachment).  Use α = 0.05

Is there a linear correlation between the number of chirps in 1 minute and the temperature?

Reference no: EM131180816

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