The following random samples are measurements of the heat-producing capacity (in millions of calories per ton) of
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Question:
The following random samples are measurements of the heat-producing capacity (in millions of calories per ton) of specimens of coal from tow mines:
a) Use the level of significance ?=0.05. Test whether there is a significant difference in heat-producing capacity between the two mines. Assume the variances are equal between heat-producing capacity of two mines.
b) Use the level of significance ?= 0.05. Test whether the variances between heat-producing capacity of two mines are equal.
Related Book For
Elementary Statistics in Social Research Essentials
ISBN: 9780205638000
3rd edition
Authors: Jack A. Levin, James Alan Fox
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