Probability & Statistics - Old Questions
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3.Define Statistics? The following of telephone calls received at an exchange for 200 successive one-minute intervals are given below.
No. of calls | 0 | 1 | 2 | 3 | 4 | 5 | 6 |
Frequency | 15 | 22 | 28 | 35 | 42 | 34 | 24 |
Compute the mean, median and mode.
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