Utility Bills in Southern CaliforniaThe monthly utility bills for a household
Chapter 2, Problem 18(choose chapter or problem)
Utility Bills in Southern CaliforniaThe monthly utility bills for a household inRiverside, California, were recorded for 12 consecutivemonths starting in January 2010:Month Amount ($) Month Amount ($)January 288.02 July 311.20February 230.60 August 370.23March 216.85 September 368.57April 243.74 October 301.79May 236.96 November 271.99June 288.57 December 298.12a. Calculate the range of the utility bills for the year2010.b. Calculate the average monthly utility bill for theyear 2010.c. Calculate the standard deviation for the 2010 utilitybills.
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