A researcher would like to study the life style of Hong Kong people. In the study, he asked his participants to install a health apps in their smartphone in order to monitor some of their health habits (e.g. no. of hours of sleep per day, no. of steps they walk per day, no. of cigarettes they smoke per day, etc). The following shows a summary of the smoking habit of 100 smokers in the sample: No. of cigarettes smoked per day Relative cumulative Frequency Relative frequency frequency 4 20 12 3e 4P 15 17 60 18e 10 6 4 7 99 10 20 11 2 12 100% a. Which scale of measurement was used to measure the smoking habit of smokers? b. Complete the above frequency distribution table by filling in (i) relative frequency and (ii) relative cumulative frequency c. Draw a frequency polygon of the data (use simple frequency, fas y-axis) d. Based on the frequency polygon drawn in (c), comment on the shape of the distribution. e. Describe the central tendency of the data by computing (i) mean, (ii) median, and (iii) mode. + f. Describe the dispersion of the data by computing (i) variance and (ii) standard deviation. ttttttttttt

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Please provide answer for part d, e, f

Question 1e
A researcher would like to study the life style of Hong Kong people. In the study, he asked
his participants to install a health apps in their smartphone in order to monitor some of their
health habits (e.g. no. of hours of sleep per day, no. of steps they walk per day, no. of
cigarettes they smoke per day, etc). The following shows a summary of the smoking habit of
100 smokers in the sample: +
No. of cigarettes
smoked per day
Relative cumulative e
frequencye
Frequency Relative frequencye
4
20
30
12
15e
17
6
18
100
40
100
11
2
2
12.
100%
a. Which scale of measurement was used to measure the smoking habit of smokers?-
b. Complete the above frequency distribution table by filling in (i) relative frequency and (ii)
relative cumulative frequency
c. Draw a frequency polygon of the data (use simple frequency, fas y-axis) «
d. Based on the frequency polygon drawn in (c), comment on the shape of the distribution. +
e. Describe the central tendency of the data by computing (i) mean, (ii) median, and (iii)
mode. +
f. Describe the dispersion of the data by computing (i) variance and (ii) standard deviation.
Transcribed Image Text:Question 1e A researcher would like to study the life style of Hong Kong people. In the study, he asked his participants to install a health apps in their smartphone in order to monitor some of their health habits (e.g. no. of hours of sleep per day, no. of steps they walk per day, no. of cigarettes they smoke per day, etc). The following shows a summary of the smoking habit of 100 smokers in the sample: + No. of cigarettes smoked per day Relative cumulative e frequencye Frequency Relative frequencye 4 20 30 12 15e 17 6 18 100 40 100 11 2 2 12. 100% a. Which scale of measurement was used to measure the smoking habit of smokers?- b. Complete the above frequency distribution table by filling in (i) relative frequency and (ii) relative cumulative frequency c. Draw a frequency polygon of the data (use simple frequency, fas y-axis) « d. Based on the frequency polygon drawn in (c), comment on the shape of the distribution. + e. Describe the central tendency of the data by computing (i) mean, (ii) median, and (iii) mode. + f. Describe the dispersion of the data by computing (i) variance and (ii) standard deviation.
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