The following table shows historical beginning-of-year prices for two stocks.

	A	B	C
1	Year	Stock A	Stock B
2	2014	39.82	571.82
3	2015	37.89	564.33
4	2016	37.26	590.07
5	2017	40.02	613.26
6	2018	37.72	538.31
7	2019	39.49	520.17
8	2020	34.53	478.85
9	2021	34.56	576.87
10	2022	35.44	630.25

Part 2

What was the variance for stock B?

Part 3

What was the standard deviation for stock B?

Part 4

What was the covariance of returns?

Part 5

What was the correlation coefficient?