Which of the following symbols represents the mean of a ...

[meagbuch]

Which of the following symbols represents the mean of a population?
 a.  2
  b.
  c.
  d. x

Question 2

A sample of 75 information systems managers had an average hourly income of 40.75 with a standard deviation of 7.00 . If we want to determine a 95 confidence interval for the average hourly income of the population, the value of t is
 a. 1.96.
   b. 1.645.
   c. 1.28.
   d. 1.993.

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Answer to Question 1

c

Answer to Question 2

d

[meagbuch]

Thanks for the timely response, appreciate it

[sarah_brady415]

Gracias!