Which of the following would be an appropriate test statistic for Nolan's test? 36 – 45 t = 5.5 A V40 (36 – 45) – 0 - 5.52 V B 5.52 40 40 (45 – 36) – 0 - 62 52 40 40 (36 – 45) – 0 5.52 5.52 D 40 40 (45 – 36) – 0 t = 6. - E 5 40 40

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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For a study on teen social habits, Nolan is interested in seeing if there's a difference, between two schools,
in the number of texts students sent this past Friday. He randomly samples students from each of these
two schools. Here is a summary of the results:
School A
School B
Мean
45 texts
36 texts
Standard deviation
6 texts
5 texts
Number of students
40
40
Nolan wants to use these results to carry out a two-sample t test to determine if the mean numbers of
texts are significantly different for these schools. Assume that all conditions have been met.
Which of the following would be an appropriate test statistic for Nolan's test?
36 – 45
5.5
V40
(36 – 45) – 0
5.52
5.52
40
40
(45 – 36) – 0
62
V
52
40
40
(36 – 45) – 0
5.52
5.52
40
40
(45 -
t =
6.
36) – 0
5
40
40
Transcribed Image Text:For a study on teen social habits, Nolan is interested in seeing if there's a difference, between two schools, in the number of texts students sent this past Friday. He randomly samples students from each of these two schools. Here is a summary of the results: School A School B Мean 45 texts 36 texts Standard deviation 6 texts 5 texts Number of students 40 40 Nolan wants to use these results to carry out a two-sample t test to determine if the mean numbers of texts are significantly different for these schools. Assume that all conditions have been met. Which of the following would be an appropriate test statistic for Nolan's test? 36 – 45 5.5 V40 (36 – 45) – 0 5.52 5.52 40 40 (45 – 36) – 0 62 V 52 40 40 (36 – 45) – 0 5.52 5.52 40 40 (45 - t = 6. 36) – 0 5 40 40
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