Energy Cost Family ID 1 Family energy cost data 211 1 An economist wants to determine whether the monthly energy cost for families has changed from the previous year, when the mean cost per month was $200. The economist randomly samples 25 families and records their energy costs for the current year. Has the energy cost changed significantly since last 572 2 558 3 250 4 478 5 year? 307 184 435 460 308 10 188 11 111 12 676 13 326 14 142 15 255 16 205 17 77 18 190 19 320 20 407 21 333 22 488 23 374 24 409 25 67
Energy Cost Family ID 1 Family energy cost data 211 1 An economist wants to determine whether the monthly energy cost for families has changed from the previous year, when the mean cost per month was $200. The economist randomly samples 25 families and records their energy costs for the current year. Has the energy cost changed significantly since last 572 2 558 3 250 4 478 5 year? 307 184 435 460 308 10 188 11 111 12 676 13 326 14 142 15 255 16 205 17 77 18 190 19 320 20 407 21 333 22 488 23 374 24 409 25 67
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 19SGR
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