Two Population Means with Unknown Standard Deviations · Example 11

Is the mean of the Final Exam scores of the online class lower than the mean of the Final Exam scores of the face-to-face class? Test at a 5% significance level. Answer the following questions:

(a) Is this a test of two means or two proportions?
(b) Are the population standard deviations known or unknown?
(c) Which distribution do you use to perform the test?
(d) What is the random variable?
(e) What are the null and alternative hypotheses? Write the null and alternative hypotheses in words and in symbols.
(f) Is this test right, left, or two tailed?
(g) What is the p-value?
(h) Do you reject or not reject the null hypothesis?
(i) At the ___ level of significance, from the sample data, there ______ (is/is not) sufficient evidence to conclude that ______.
(See the conclusion in, and write yours in a similar fashion)

Its source prints no answer for this problem, so there's nothing to check against.

OpenStax, Introductory Statistics 2e · §10.1 Two Population Means with Unknown Standard Deviations · Example 11