FITTING OF NORMAL DISTRIBUTION (ORDINATES METHOD)
1. 1. Fit a normal distribution for the following data by ordinates method
|
Class |
150-160 |
160-170 |
170-180 |
180-190 |
190-200 |
200-210 |
210-220 |
220-230 |
230-240 |
|
Frequency |
9 |
24 |
51 |
66 |
72 |
48 |
21 |
6 |
3 |
2. 2. Fit a normal distribution for the following data by ordinates method
|
Class |
30-40 |
40-50 |
50-60 |
60-70 |
70-80 |
80-90 |
90-100 |
100-110 |
110-120 |
|
Frequency |
5 |
4 |
3 |
8 |
7 |
10 |
4 |
3 |
2 |
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