Please solve the question........

1. a- .05 Department 1 Department 2 $26 $37 S $ 9 $ 8 Sample size 49 36 Number of students who are making less than $30 15 14 a) Is there any evidence of a difference between the average salary between two departments? Ho HI Critical Value(s) Computed Value(s) Graph Decision: b) Is there any evidence of a difference between the two population proportions(% of students who are making less than $30? Ho HI Critical Value(s) Computed Value(s) Graph Decision: The inspection division of the Lee County Weights and Measures Department is interested in estimating the actual amount of soft drink that is placed in 2-liter bottles at the local bottling plant of a large nationally known soft-drink company. A random sample of 64