Statistical inference is the process of drawing conclusions about ________ from sample data.

Statistical inference is the process of drawing conclusions about ________ from sample data.
 
  A) surveys
  B) populations
  C) individuals
  D) sampling errors

Q. 2

For tests of independence, the expected frequencies depend only on the sample size.
 
  Indicate whether the statement is true or false

Q. 3

The larger the sample size, the larger the standard error of the sample proportion.
 
  Indicate whether the statement is true or false

Q. 4

What is the appropriate critical value?
 
  A) tn-1,/2
  B) - Z
  C) - tn-1,
  D) Z/2

Q. 5

A correlation coefficient equal to -1 or +1 indicates perfect correlation.
 
  Indicate whether the statement is true or false