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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Question
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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