Calculating measures of location and dispersion

Assignment Help Basic Statistics

Reference no: EM1320205

A sample of 30 MBA students are asked to log the exact amount of time they spent working on QM in the previous week. The data are below:

student	Time (hours)
1	13.26
2	9.73
3	13.6
4	12.6
5	1
6	12.89
7	2.03
8	4.38
9	17.69
10	4.12
11	25.91
12	6.89
13	5.01
14	12.47
15	14.79
16	19.4
17	8.33
18	15.75
19	12.39
20	3.31
21	5.31
22	3.87
23	4.43
24	12.03
25	3.24
26	9.23
27	8.13
28	12
29	11.21
30	22.82

Required:

1. Calculate Mean and Median time spent working on QM.

2. Calculate the Variance and Standard Deviation of time spent working on QM.

3. Calculate the 25^th and 75th percentile of time spent working on QM.

4. Calculate the Coefficient of Skewness and the Coefficient of Variation for time spent working on QM.

5. Using an appropriate technique, present the time spent working on QM data graphically.

Reference no: EM1320205

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