Direction: Answer the null and alternative hypothesis, it should be in word or sentence form. 1. Forty four out of 80 Americans and 41 out of 90 Europeans wished that they were emotionally healthy. At 1% significance level, is there a significant difference in the proportion of Americans and Europeans who wished to be emotionally healthy? На: Но: 2. In an attempt to reduce the number of man-hours lost as a result of hospital accidents, a large hospital installed new safety equipment. In a test of effectiveness of the equipment, a random sample of five departments was examined. The number of man hours lost in the month before installation of new safety equipment and in the month after installation were recorded. The data are as follows: На: Ho: 3. ABC hospital with branches in Iloilo City and in Bacolod City has developed an improved process for serving patients during noon to 1 PM lunch period. The waiting time of all the patients during this hour is recorded over a period of one week. A random sample of 15 patients from Iloilo City and 14 patients in Bacolod City yielded the following statistics (in minutes): На: Но: 4. All freshmen in a certain school were found to have variability in grades expressed as a standard deviation of 3. Two samples among these freshmen made up of 20 and 50 students were found to have means of 88 and 85 respectively. Based on their grades, is the first group really brighter than the second group at 1% level of significance? На: Но:
Direction: Answer the null and alternative hypothesis, it should be in word or sentence form. 1. Forty four out of 80 Americans and 41 out of 90 Europeans wished that they were emotionally healthy. At 1% significance level, is there a significant difference in the proportion of Americans and Europeans who wished to be emotionally healthy? На: Но: 2. In an attempt to reduce the number of man-hours lost as a result of hospital accidents, a large hospital installed new safety equipment. In a test of effectiveness of the equipment, a random sample of five departments was examined. The number of man hours lost in the month before installation of new safety equipment and in the month after installation were recorded. The data are as follows: На: Ho: 3. ABC hospital with branches in Iloilo City and in Bacolod City has developed an improved process for serving patients during noon to 1 PM lunch period. The waiting time of all the patients during this hour is recorded over a period of one week. A random sample of 15 patients from Iloilo City and 14 patients in Bacolod City yielded the following statistics (in minutes): На: Но: 4. All freshmen in a certain school were found to have variability in grades expressed as a standard deviation of 3. Two samples among these freshmen made up of 20 and 50 students were found to have means of 88 and 85 respectively. Based on their grades, is the first group really brighter than the second group at 1% level of significance? На: Но:
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
Transcribed Image Text:Direction: Answer the null and alternative hypothesis, it should be in word or
sentence form.
1. Forty four out of 80 Americans and 41 out of 90 Europeans wished that they were
emotionally healthy. At 1% significance level, is there a significant difference in the
proportion of Americans and Europeans who wished to be emotionally healthy?
На:
Ho:
2. In an attempt to reduce the number of man-hours lost as a result of hospital accidents,
a large hospital installed new safety equipment. In a test of effectiveness of the
equipment, a random sample of five departments was examined. The number of man
hours lost in the month before installation of new safety equipment and in the month
after installation were recorded. The data are as follows:
На:
Ho:
3. ABC hospital with branches in Iloilo City and in Bacolod City has developed an
improved process for serving patients during noon to 1 PM lunch period. The waiting
time of all the patients during this hour is recorded over a period of one week. A
random sample of 15 patients from Iloilo City and 14 patients in Bacolod City yielded
the following statistics (in minutes):
На:
Но:
4. All freshmen in a certain school were found to have variability in grades expressed
as a standard deviation of 3. Two samples among these freshmen made up of 20 and 50
students were found to have means of 88 and 85 respectively. Based on their grades, is
the first group really brighter than the second group at 1% level of significance?
На:
Но:
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