Is it valid to conduct t-tests with just 20 students?
32215
Why is the t-test designed for small samples?
131642
How to check for normal distribution using Excel for performing a t-test?
73623
In how many ways can $500$ indistinguishable students select books from $10$ titles if no more than $20$ copies of one particular text are selected?
18235
How can I perform a t-test (or another hypothesis test) on NPS (Net Promoter Score) results?
117162
How many ways can the 10 A's be distributed?
104865
Probability in multiple choice exams
101468
t.test returns an error "data are essentially constant"
37857
How can I test the fairness of a d20?
142281
When testing can I not use existing Data?
93243
25 students, each gives a chocolate to 5 other students. Could every student receive a chocolate from exactly the 5 students they've sent to?
101891
Are these Dummy subjects?
36823
Paired Samples T-Test by Day or By Group?
131892
How do you tell if you should use a one-tailed test or a two-tailed test in a t-test?
55543
How to prevent students from having an unfair advantage on exams, when they are held on different days?
29837
t-test for partially paired and partially unpaired data
74477
T-test for non normal when N>50?
68175
Should I report a 48th percentile math GRE subject exam score for programs where it's optional?