In: Statistics and Probability
In order to study the quality of parts, a batch of 100 parts was checked at the enterprise. The results are presented in the following table:
Groups of parts by weight, g |
40-50 |
50-60 |
60-70 |
70-80 |
80-90 |
90-100 |
100-110 |
110-120 |
Total |
Number of parts |
2 |
4 |
11 |
19 |
21 |
25 |
10 |
8 |
100 |
Determine the mean, variance, mode, median, 1st and 3rd quartiles, coefficient of variation, plot a histogram, find asymmetry and kurtosis. Calculated indicators indicate in the figure.