10 16 10 20 15 9 9. 13 12 9 15 12 17 16 11 16 15 12 10 11 15 14 13 12 Based on the above data, construct a distribution table (start with a minimum value) and find : a) number of class, k b) class width lower limit for third class d) lower boundary for second class e) cumulative frequency for third class 0 mid point for fourth class 3) class mode h) number of frequency

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