The test results of fresh students in statistics out of 20% is give below 5 13.5 5.5 7.25 7.25 9.25 9.5 10 11.5 13.5 15 2.25 13.75 5.5 7.3 8 9.25 9.5 10 11.5 13.5 15.5 7 17 5.75 7.5 9 9.25 9.5 11 11.5 13.5 15.5 7.25 17.25 5.75 7.5 9 9.3 9.75 11.25 11.5 13.25 17.5 8 6 7.5 9.4 9 9.75 11.25 13.25 14 17.5 18 Construct a grouped frequencies distribution first determine number of class width, then determine class limit, frequency of each class, class boundary , class mark , less than cumulative frequency , greater than cumulative frequency ? Measure of central tendency 1. Calculate the mean 2. Determine the median class & calculate median 3. Determine the model class & calculate mode measure of dispersion 1. Calculate the range 2. Calculate the variance 3. Calculate the standard deviation
Q1. The test results of fresh students in statistics out of 20% is give below
5 13.5 5.5 7.25 7.25 9.25 9.5 10 11.5 13.5 15
2.25 13.75 5.5 7.3 8 9.25 9.5 10 11.5 13.5 15.5
7 17 5.75 7.5 9 9.25 9.5 11 11.5 13.5 15.5
7.25 17.25 5.75 7.5 9 9.3 9.75 11.25 11.5 13.25 17.5
8 6 7.5 9.4 9 9.75 11.25 13.25 14 17.5 18
Construct a grouped frequencies distribution first determine number of class width, then determine class limit, frequency of each class, class boundary , class mark , less than cumulative frequency , greater than cumulative frequency ?
Measure of
1. Calculate the mean
2. Determine the median class & calculate median
3. Determine the model class & calculate
measure of dispersion
1. Calculate the
2. Calculate the variance
3. Calculate the standard deviation
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