2) The manager of a fast food restaurant would like to know if their median service time is less than 45 seconds. a) What is the appropriate null and alternate hypothesis to determine if the median service time is less than 45 seconds? b) Choose a level of a. Use a = 0.05 for this problem. c) To test the hypothesis, the fast food restaurant random selects 40 customers and records their service time. The data appear in the Service Time worksheet of the Chp 18 HW data workbook on Moodle. Calculate the test statistic, i.e., the number of plus signs. d) Sketch the sampling distribution. Include the critical value and test statistic. e) Draw a conclusion for the hypothesis test. Make sure you state your conclusion in the context of the problem. f) Calculate the p-value

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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please help asap. data for the problem is provided in the picture as well.

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Transcribed Image Text:2 3 4 5 6 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 Customer 1 WN 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 B Service Time 26 27 31 21 8 59 97 9 108 12 18 21 65 124 11 108 29 19 10 98 75 7 126 49 24 9 9 11 21 18 97 32 51 67 20 14 58 103 16 4
2) The manager of a fast food restaurant would like to know if their median service time
is less than 45 seconds.
a) What is the appropriate null and alternate hypothesis to determine if the median
service time is less than 45 seconds?
b) Choose a level of a. Use a = 0.05 for this problem.
c) To test the hypothesis, the fast food restaurant random selects 40 customers and
records their service time. The data appear in the Service Time worksheet of the
Chp 18 HW data workbook on Moodle. Calculate the test statistic, i.e., the
number of plus signs.
d)
Sketch the sampling distribution. Include the critical value and test statistic.
e) Draw a conclusion for the hypothesis test. Make sure you state your conclusion
in the context of the problem.
f) Calculate the p-value
Transcribed Image Text:2) The manager of a fast food restaurant would like to know if their median service time is less than 45 seconds. a) What is the appropriate null and alternate hypothesis to determine if the median service time is less than 45 seconds? b) Choose a level of a. Use a = 0.05 for this problem. c) To test the hypothesis, the fast food restaurant random selects 40 customers and records their service time. The data appear in the Service Time worksheet of the Chp 18 HW data workbook on Moodle. Calculate the test statistic, i.e., the number of plus signs. d) Sketch the sampling distribution. Include the critical value and test statistic. e) Draw a conclusion for the hypothesis test. Make sure you state your conclusion in the context of the problem. f) Calculate the p-value
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