A classic application of correlation involves the association between the 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 degrees Fahrenheit.

Temperature(x)

69.7

93.3

84.3

76.3

88.6

82.6

71.6

79.6

Chirps in 1 min (y)

882

1188

1104

864

1200

1032

960

900

Is there sufficient evidence, at the 5% level of significance,to conclude that there is a linear correlation between the number of chirps in 1 minute and the temperature?

State the appropriate critical value you would use to test the significance of the correlation at the 5% level of significance.

Question options:

0.602

0.707

0.632

0.666