K A company claims that the mean monthly residential electricity consumption in a certain region is more than 880 kilowatt-hours (kWh). You want to test this claim. You find that a random sample of 69 residential customers has a mean monthly consumption of 900 kWh. Assume the population standard deviation is 126 kWh. At a=0.01, can you support the claim? Complete parts (a) through (e). C OC. Reject Ho because the standardized test statistic is not in the rejection region. D. Reject Ho because the standardized test statistic is in the rejection region. (e) Interpret the decision in the context of the original claim. enough evidence to At the 1% significance level, there electricity consumption in a certain region kWh. the claim that the mean monthly residential D

K A company claims that the mean monthly residential electricity consumption in a certain region is more than 880 kilowatt-hours (kWh). You want to test this claim. You find that a random sample of 69 residential customers has a mean monthly consumption of 900 kWh. Assume the population standard deviation is 126 kWh. At a=0.01, can you support the claim? Complete parts (a) through (e). C OC. Reject Ho because the standardized test statistic is not in the rejection region. D. Reject Ho because the standardized test statistic is in the rejection region. (e) Interpret the decision in the context of the original claim. enough evidence to At the 1% significance level, there electricity consumption in a certain region kWh. the claim that the mean monthly residential D

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

Interpret the decision in the context of oringinal claim

first drop down is or is not

2nd drop down support or reject

3rd drop down is greater than or less than or is different from

what kWh

K
A company claims that the mean monthly residential electricity consumption in a certain region is more than 880
kilowatt-hours (kWh). You want to test this claim. You find that a random sample of 69 residential customers has a mean
monthly consumption of 900 kWh. Assume the population standard deviation is 126 kWh. At a = 0.01, can you support
the claim? Complete parts (a) through (e).
TELE
CC Reject H, because the standardized test statistic is not in the rejection region.
DReject H, because the standardized test statistic is in the rejection region.
(e) Interpret the decision in the context of the original claim.
At the 1% significance level, there
enough evidence to
electricity consumption in a certain region
kWh.
the claim that the mean monthly residential
4

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