We do not have control over the population standard deviation ...

[Tirant22]

We do not have control over the population standard deviation when forming a confidence interval, but we can control the ___________________ _ and the ___________________ _.
 Fill in the blank(s) with correct word

Question 2

A(n) ___________________ _ value of the F-test statistic indicates that the multiple regression model is valid.
 Fill in the blank(s) with correct word

[mcomstock09]

Answer to Question 1

confidence level; sample size
sample size; confidence level

Answer to Question 2

large

[Tirant22]

Thanks for the timely response, appreciate it

[vickybb89]

Great answer, keep it coming