Question
z-TESTS, ASSUMING IS KNOWN A line of air conditioners is advertised as using a mean of 700 watts of power with a standard deviation of
z-TESTS, ASSUMING IS KNOWN
A line of air conditioners is advertised as using a mean of 700 watts of power with a standard deviation of 50 watts. A rival company tests 12 of the units and finds a mean of 725 watts. Assuming a normal distribution, tests the validity of the advertisement at a 0.03 level of significance. Show the P-value as well.
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Differential Topology
Authors: Amiya Mukherjee
2nd Edition
3319190458, 9783319190457
