A sample of 22 bottles of soft drink showed a variance of .64 in their contents. At a 5% level of significance, determine whether or not the standard deviation of the population is significantly different from .7


H0: ?2 = .49
Ha: ?2 ? .49 ?2 = 27.43 which is between 10.28 and 35.48
Do not reject H0, there is not sufficient evidence to conclude that the standard deviation of the population is significantly different from .7.

Business

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