Question Two It can be said that some professions/jobs come with more stress. This stress is sometimes carried over into family life, so much so that things can become unbearable at home. A researcher who is interested in such an issue decided to collect data on the level of rage/edginess towards family members. Participants were asked to rank the level of hostility they think they have been exerting towards family members due to their job. The resulting data is presented below. *11 is the highest level of hostility. Level of hostility Number of professionals 0-1 23 11 4-5 6-7 20 8-9 25 10-11 12 a. Calculate the following i. mean il mode i, standard deviation

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Question Two
It can be said that some professions/jobs come with more stress. This stress is
sometimes carried over into family life, so much so that things can become unbearable
at home. A researcher who is interested in such an issue decided to collect data on the
level of rage/edginess towards family members. Perticipants were asked to rank the
level of hostility they think they have been exerting towards family members due to their
job. The resulting data is presented below.
*11 is the highest level of hostility.
Level of hostility
Number of professionala
0-1
23
11
4-5
6-7
20
8-9
25
10-11
12
a. Calculate the following:
i.
mean
il.
mode
i,
standard deviation
iv,
coefficient of variation
V.
Pearson's 1st measure of skewness
b.interpret the results of your calculations in part a.
Transcribed Image Text:Question Two It can be said that some professions/jobs come with more stress. This stress is sometimes carried over into family life, so much so that things can become unbearable at home. A researcher who is interested in such an issue decided to collect data on the level of rage/edginess towards family members. Perticipants were asked to rank the level of hostility they think they have been exerting towards family members due to their job. The resulting data is presented below. *11 is the highest level of hostility. Level of hostility Number of professionala 0-1 23 11 4-5 6-7 20 8-9 25 10-11 12 a. Calculate the following: i. mean il. mode i, standard deviation iv, coefficient of variation V. Pearson's 1st measure of skewness b.interpret the results of your calculations in part a.
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(i) To find the mean:

Level of hostility Number of professionals, f Mid value, x fx
0 to 1 4 0.5 2
2 to 3 11 2.5 27.5
4 to 5 8 4.5 36
6 to 7 20 6.5 130
8 to 9 25 8.5 212.5
10 to 11 12 10.5 126
Total  80   534

Mean, x=i=1nfxi=1nf=53480=6.675

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