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Find the value of sample covariance in linear regression model

In fitting the simple linear regression model Yi ~ N (α + β xi, σ²) to the following data:

Yi	42.87	43.64	44.87	43.8	44.68	44.99	44.92	46.05
Xi	3.579	3.751	4.57	4.32	3.79	4.054	4.138	5.159

The value of S_xy is:

a. 185.82
b. 1486.57
c. 2.76
d. 371.29
e. 185.47

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9172717

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