Which of the Following Is NOT True of a Differences

question 27

Multiple Choice

Which of the following is NOT true of a differences test?

• A)With the null hypothesis,the arithmetic difference between one parameter and another is 0.
• B)With both hypotheses,it is impossible to "guess" differences before testing.
• C)With the null hypothesis,the statistical test begins with the assumption that the two percentages (or means)are exactly the same value.
• D)The alternative hypothesis is that the two percentages (or means )are not the same value.
• E)With the alternative hypothesis,the difference between parameters is not 0.

Understand the implications of sampling from normally and non-normally distributed populations.

Understand the concept and computation of probabilities associated with the mean time until recharging for battery packs.

Differentiate between various sampling methods such as cluster sampling and stratified random sampling.

Determine the probability of sample means under normal distribution assumptions.

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