Explain what is wrong with the following statement: A t-interval ...

[genevieve1028]

Explain what is wrong with the following statement: A t-interval is a confidence interval estimate of a sample mean.

Question 2

In each situation, indicate whether the value given in bold print is a statistic or a parameter. Of 10 students sampled from a class of 200, 8 (80) said they would like the school library to have longer hours.
 a. Statistic
  b. Parameter

[1_Step_At_ATime]

Answer to Question 1

A confidence interval is computed based on a sample statistic and the result is used to estimate a population parameter. The statement would be correct if the phrase sample mean were replaced by the phrase population mean.

Answer to Question 2

A

[genevieve1028]

Thanks for the timely response, appreciate it

[bigcheese9]

Gracias!