STA 2023 Chapter 1: Chapter 1 Notes

What is the value of the t score for a 90% confidence interval if we take a sample of size 22?

A) 1.721

B) 1.725

C) 1.717

D) 1.645

What is the value of the t score for a 98% confidence interval if we take a sample of size 22?

A) 2.845

B) 2.518

C) 2.861

D) 2.528

E) 2.508

22. Consider the array a = {5,7,1,4,1}. If we sort this array using the Selection Sort (code 2) algorithm described in the appendix, what will be displayed the first time the print statement on line 7 executes? (A) [1,1,5,4,7] (B) (1,7,5,4,1] (C) Nothing (D) (1,1,7,4,5) (E) (1,7,1,4,5)