The bank manager will investigate whether there is a significant difference in mean numbers of bank visits for the groups. Multiple two-sample t -tests will be conducted, each at the significance level of α=0.05 . (a) How many t -tests will need to be conducted for the manager’s investigation? List the pairs of groups for each test.

step-by-step explanation:

ok so im not 100% sure but you would start by adding 5.1t and 1.9t beacuse they have the same variable. that is 7t.   then add -3.6 + 1.2 which is -2.4

so then keep that as -2.4 + 7t. i apologize if this is incorrect. best luck on your test < 3

the answer is 40.

proof:

step-by-step explanation:

the answer should be:

a. 3, 4, and 6

b. 18, 24, and 36

c. 4.8, 6.4, and 9.6

hope i

-lavira : )