2. The following data give the household power (in kW.) usage of two areas in Selangor. 22.1 Kajang Bangi 19.8 21.5 20.9 22.0 21.0 22.3 21.0 20.3 20.9 23.2 22.0 22.2 21.2 21.6 21.6 21.9 22.0 22.9 22.8 Assuming the variances for each group are the same, demonstrate any evidence at the 5% level to suggest that the differences power usage between the two area? (CO2, C3, PO1)
2. The following data give the household power (in kW.) usage of two areas in Selangor. 22.1 Kajang Bangi 19.8 21.5 20.9 22.0 21.0 22.3 21.0 20.3 20.9 23.2 22.0 22.2 21.2 21.6 21.6 21.9 22.0 22.9 22.8 Assuming the variances for each group are the same, demonstrate any evidence at the 5% level to suggest that the differences power usage between the two area? (CO2, C3, PO1)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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