subject statistic of business and topic is hypothesis test II and write question with numbers mention so that I can easy understand

Is there a difference in intro stat marksbetween psychology and law students?

In an introductory first-year statistics course, researchers investigated if psychology and law students performed

differently. The researcher survey 35 psychology students and 30 Law students.Their intro statistics marks are given

below:

Psychology Law

Mean 82.33 73.5

standard deviation 4.78 4.08

Do the data provide sufficient evidence to conclude that, on average, thereis a differencein the mark between psychology and law students? Perform the required hypothesis test at the 10% level of significance. You may assume that the two populating standard deviation are equal.

Solution

1

H_o:

H_a:

2

3a =

Which table would you use to find the critical value? z or t table?

What is the critical value?

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