Question

Based on the data presented in the following table, what is the expected frequency for space #3 in the table?

QUESTION 1 (08.02 MC Based on the data presented in the following table, what is the expected frequency for space #3 in the table? pont Cell Phone Versus Time to Learn to Text 20 Words Per Minute Time, minutes Cell Phone 21-40 41-60 61-80 Total 571 #2 321 #3 3611 125 341 #6 52| 127 #7 371#8 51| #9 431 131 135 117 131 383 #1 #44111#5 Total 38.19 42.75 44.77 46.17 QUESTION 2 (05.04, 05.05 MC) Which of the following statements is typically NOT true about the null hypothesis? (1 point) It presumes innocence. It is what we are trying to show is false It has no change, things are as they should be It focuses on the suspicion of an event

Answer 1

Solution:

Question 1:

Based on the data presented in the following table, what is the expected frequency for space#3 in the table?

Answer: The correct option is 42.75

Explanation:

The expected frequency for space#3 is calculated as:

$\boldsymbol{\frac{131 \times 125}{383}=42.75}$

Question 2:

Which of the following statements is typically NOT true about the null hypothesis?

Answer: It focuses on the suspicion of an event.