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Author Question: The amount of time spent waiting for the bus at a city bus stop is symmetrically distributed. Eight ... (Read 54 times)

eboni

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on: Feb 26, 2023

Question 1

The _________________ test is appropriate for testing whether a sequence of observations is not random.

◦

random


◦

runs


◦

Mann–Whitney


◦

Kruskal–Wallis



Question 2

The amount of time spent waiting for the bus at a city bus stop is symmetrically distributed. Eight randomly sampled people who catch the bus at this stop are asked how long they had to wait. Their wait times (in minutes) are:

​

25.510.213.422.21.25.46.615.8

​

Conduct a Wilcoxon signed-rank test to see if the median wait time is more than 20 minutes. Select the correct critical value (CV), test statistic (TS), and decision. (Useα= 0.05.)


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CV = 6, TS = 4, rejectH0


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CV = 30, TS = 4, fail to rejectH0


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CV = 30, TS = 3, rejectH0


◦

CV = 6, TS = 4, fail to rejectH0

Introductory Statistics: A Problem-Solving Approach ¦ Kokoska ¦ 3rd Edition
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Marked as best answer by eboni on Feb 26, 2023

Harsh06

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Reply #1 on: Feb 26, 2023
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eboni

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Reply 2 on: Feb 26, 2023
Wow, this really help

cpetit11

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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