Which might be a reasonable conclusion from a hypothesis test of two population means

Question 84 options:

There is statistical evidence to conclude that the two populations means have different values.

There is statistical evidence to conclude that the two sample means have different values.

If you are using the p-value approach to hypothesis testing, if the critical p-value you find is less than the given alpha, you do not reject the null hypothesis.

Question 85 options:

TrueFalse

When calculating the interval estimate for a population variance, you only need to find aone-tailed upper critical value.

Question 87 options:

TrueFalse

In this class, we studied how to find the confidence interval estimate for a a population mean, and in this section 1.1 we are learning how to find the confidence interval estimate for a population variance.

Question 88 options:

TrueFalse

When using a chi-square test for the variance of one population, we are assuming that the population is normally distributed.

Question 90 options:

TrueFalse

The key components needed in a hypothesis test of a population variance are ...

Question 91 options:

Critical value, sample size, hypothesis (null and alternative), decision rule, decision

Critical value, test statistic, sample size, hypothesis (null and alternative), decision rule, decision

Critical value, test statistic, sample size, hypothesis (null and alternative), decision rule

Critical value, test statistic, hypothesis (null and alternative), decision rule, decision