A number added to and subtracted from a point estimate to create ...

[pragya sharda]

A number added to and subtracted from a point estimate to create an approximate 95 confidence interval is known as _____.
 a. cluster of points
  b. bound on sampling error
  c. area point estimation
  d. systematic sampling error

Question 2

The average score for a class of 30 students was 75 . The 15 male students in the class averaged 70 . The 15 female students in the class averaged:
 a. 85
  c. 75
  b. 80
  d. 70

[Dominic]

Answer to Question 1

b

Answer to Question 2

B

[pragya sharda]

Thanks for the timely response, appreciate it

[Liddy]

Wow, this really help