If a sample of n = 16 scores is being used to make an 80 confidence interval estimate of the ...

If a sample of n = 16 scores is being used to make an 80 confidence interval estimate of the population mean, , what value(s) of t should be used?
 
  A) t = 0
  B) t = 2.131
  C) t = 1.753
  D) t = 1.341

Question 2

Tests that concern parameters and require assumptions about parameters are called parametric tests.
 
  Indicate whether the statement is true or false

Question 3

What value is estimated with a confidence interval using the t statistic?
 
  A) The value for an unknown sample mean
  B) The value for an unknown population mean
  C) The difference between two population means
  D) The difference between two sample means