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A Company Is Researching the Effectiveness of a New Web ≠\neq

Question 52

Multiple Choice

A company is researching the effectiveness of a new web site design to decrease the time to access a website. Five web site users were randomly selected and their times (in seconds) to access the web site with the old and new designs were recorded. The results follow. A company is researching the effectiveness of a new web site design to decrease the time to access a website. Five web site users were randomly selected and their times (in seconds) to access the web site with the old and new designs were recorded. The results follow. What is the null hypothesis? A) H<sub>0</sub>: µ<sub>d</sub> = 0 B) H<sub>0</sub>: µ<sub>d</sub> \neq 0 C) H<sub>0</sub>: µ<sub>d</sub> \le 0 D) H<sub>0</sub>: µ<sub>d</sub> \ge 0
What is the null hypothesis?


A) H0: µd = 0
B) H0: µd ≠\neq 0
C) H0: µd ≤\le 0
D) H0: µd ≥\ge 0

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