QUESTION 5 The most appropriate probability distribution and test statistic to utilize for this inferential analysis is which of the following? z or standard normal t of Student'st OF x2 QUESTION 6 Which type of hypothesis testing is involved? no tail two tail one tail, left tail one tail, right tail QUESTION 7 What is the total sample size, n?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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QUESTION 5
The most appropriate probability distribution and test statistic to utilize for this inferential analysis is which of the following?
z or standard normal
t of Student's t
x2
QUESTION 6
Which type of hypothesis testing is involved?
no tail
two tail
one tail, left tail
one tail, right tail
QUESTION 7
What is the total sample size, n?
Transcribed Image Text:QUESTION 5 The most appropriate probability distribution and test statistic to utilize for this inferential analysis is which of the following? z or standard normal t of Student's t x2 QUESTION 6 Which type of hypothesis testing is involved? no tail two tail one tail, left tail one tail, right tail QUESTION 7 What is the total sample size, n?
Consider the following information: The head housekeeper at the Palisades Plaza Motor Inn wonders whether (a) the individual staff member or (b) the
day of the week might impact the average number of sleeping rooms cleaned. She asks an office assistant to run some statistical tests to explore
these two questions, using the data in the following table. Based on the available evidence, and testing at the 10% level of significance, is there any
difference between (a) the mean number of rooms cleaned according to staff members and (b) the mean number of rooms cleaned according to days
of the week?
W
T
F
S
Ari
34
32
43
33
37
44
33
Betty
46
38
42
39
41
37
Carlos
35
39
49
29
38
36
34
Dante
47
43
46
47
44
49
47
Enid
46
42
33
37
45
41
33
Fatima
44
44
46
39
41
44
37
COMMENTS & HINTS: Presume necessary assumptions are met. Using technology to your advantage is expected, so to avoid
tedious manual calculations. Round off any decimals or percentages as requested.
35
Transcribed Image Text:Consider the following information: The head housekeeper at the Palisades Plaza Motor Inn wonders whether (a) the individual staff member or (b) the day of the week might impact the average number of sleeping rooms cleaned. She asks an office assistant to run some statistical tests to explore these two questions, using the data in the following table. Based on the available evidence, and testing at the 10% level of significance, is there any difference between (a) the mean number of rooms cleaned according to staff members and (b) the mean number of rooms cleaned according to days of the week? W T F S Ari 34 32 43 33 37 44 33 Betty 46 38 42 39 41 37 Carlos 35 39 49 29 38 36 34 Dante 47 43 46 47 44 49 47 Enid 46 42 33 37 45 41 33 Fatima 44 44 46 39 41 44 37 COMMENTS & HINTS: Presume necessary assumptions are met. Using technology to your advantage is expected, so to avoid tedious manual calculations. Round off any decimals or percentages as requested. 35
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