First is it a Z or T test then do the steps necessary to answer this research question. Please number your steps. You are conducting an experiment to see if a test anxiety workshop significantly reduces test anxiety in college freshman. A
standard assessment of test anxiety is known to produce a u = 20 with a standard deviation of 9. We drawn a sample of 81
college freshman at Chaffey who had taken the workshop this semester that resulted in a mean of
18 and standard deviation of 10. Did the workshop help reduce the anxiety?

Which statement best describes the polynomial

You work for a lender that requires a 20% down payment and uses the standard depth to income ratio to determine a person‘s a little eligibility for a home loan of the following choose the person that you would rate the highest on their eligibility for a home loan

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.