Find the variance of the weekly price changes of each

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 24PFA
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During a 5-week period in 2007, the stock of an insurance company and the stock of a small tech company showed the following weekly percentage changes.
Company                       Weekly Price Change (%)
Insurance Stock             0.3          1.8            0           0.        -1.5
Tech Stock                    0.3           -0.1          1.1          3.2         0.8

Find the variance of the weekly price changes of each. (Round your answers to four decimal places.) 
insurance stock=          
tech stock=

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