2
Age
Descriptive statistics
Age
Mean
20.325
Standard Error
0.224714919
Median
20
Mode
20
Standard Deviation
1.421221937
Sample Variance
2.019871795
Kurtosis
-0.608061095
Skewness
0.064134254
Range
5
Minimum
18
Maximum
23
Sum
813
Count
40
Confidence Level(95.0%)
0.454528826
Sex
sex
Frequency
Percent
Valid Percent
Cumulative Percent
Valid
Male
20
50.0
50.0
50.0
Female
20
50.0
50.0
100.0
Total
40
100.0
100.0
Height
Height
Mean
66.0125
Standard Error
0.348847691
Median
65.9
Mode
64.3
Standard Deviation
2.20630652
Sample Variance
4.867788462
Kurtosis
-1.706100286
Skewness
0.075488725
Range
6.6
Minimum
62.8
Maximum
69.4
Sum
2640.5
Count
40
Confidence Level(95.0%)
0.705611057
Years in college
Year in college
Frequency
Percent
Valid Percent
Cumulative Percent
Valid
freshman
10
25.0
25.0
25.0
sophomore
10
25.0
25.0
50.0
junior
10
25.0
25.0
75.0
senior
10
25.0
25.0
100.0
Total
40
100.0
100.0
Findings
The descriptive statistics of the data show that the mean age is 20.325 years, the median and mode age is 20 years. The age has a standard deviation and variance of 1.421221937 and 2.019871795 respectively. The range of the age is 5 years while the maximum and minimum sample ages are 23 and 18 respectively. The histogram of the sample age is skewed to the right. The sample has an equal number of males and females. The mean height is 66.0125 while median and mode heights are 65.9 and 64.3 respectively. The height has a standard deviation and sample variance of 2.20630652 and 4.867788462 respectively. The range of the sample height is 6.6 while the maximum and minimum heights are 69.4 and 62.8 respectively. The histogram of the sample height is skewed to the right. The sample shows that there is an equal number of respondents who are freshmen, sophomores, juniors, and seniors. Each year has 10 respondents.
References
Kaliyadan, F., & Kulkarni, V. (2019). Types of variables, descriptive statistics, and sample size. Indian dermatology online journal, 10(1), 82.
Kaur, P., Stoltzfus, J., & Yellapu, V. (2018). Descriptive statistics. International Journal of Academic Medicine, 4(1), 60.