Please answer step by step, applying correlation and simple linear regression formulas, use of tables, as well as any as

[answerhappygod]

Please answer step by step, applying correlation and simple
linear regression formulas, use of tables, as well as any
assumptions needed to solve the problems. The previous answer you
provided me was incomplete. I need calculations and formulas.
The following data represents the number of telephone calls per
day in a call center (30 days)
39
42
30
48
35
40
27
25
28
34
33
38
25
34
32
28
42
35
34
37
40
30
31
36
40
45
36
41
34
29
For these data above: (a) find the mean and standard deviation.
Interpret your results (b) what is the probability that the sample
mean of these data is greater than 34 phone calls per day (c)
Construct a 95% confidence interval for the population mean and
interpret your results. Show all your calculations, formulas, use
of tables, as well as any assumptions needed to solve the
problems.
5. Describe in your own words what you have learned in this course
and how would you apply it in your professional career? Include
examples and explanation of the different statistical tools in
order to support your answer.