Stock prices: Following are closing prices for a certain stock during June and July of a certain'year. June July 472.68 472.08 454.26 444.95 482.37 491.34 494.02 459.61 466.18 481.59 493.37 498.72...

Extracted text: Stock prices: Following are closing prices for a certain stock during June and July of a certain'year. June July 472.68 472.08 454.26 444.95 482.37 491.34 494.02 459.61 466.18 481.59 493.37 498.72 485.52 484.78 474.02 477.50 484.81 490.06 488.97 492.63 487.01 488.50 483.19 497.99 488.56 484.35 484.99 484.85 439.49 436.55 Send data to Excel Part 1 of 2 (a) Find the population standard deviation and variance for the prices in June. Round the answers to at least three deci places. The population standard deviation for the prices in June is The population variance for the prices in June is


Extracted text: (b) Find the population standard deviation and variance for the prices in July. Round the answers to at least three decimal places. The population standard deviation for the prices in July is The population variance for the prices in July is