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The following data shows marks obtained by 40 students in a Statistics test.
75 99 72 54 25 40 65 32 69 10 85 48 52 80
63 64 35 62 51 71 67 57 95 74 56 69 61
49 45 63 39 73 53 82 76 50 66 60 55 62
Construct a grouped frequency distribution with the intervals of 10 starting from
10-19, 20-29 etc
a) Find
i) Mode
ii) Median
iii) Inter-quartile range
iv) Co-efficient of variation based on Quartile
b) Comment on the
i) Symmetry
ii) Peakedness of the distribution
Least squares method of fitting a line ( the line of best fit or the regression line) through the scatter diagram is a method which minimizes the sum of squared vertical deviations
what is singular statistics
Assignments due 9/14/2012 Need pricing
what is the role of statistics in other sciences?
1
1 . Below are the points scored by the winning team in Week 10 of NFL professional football games this Fall, 2011. 24 17 44 13 21 24 30 20 37 26 17 22 27 37 37 45 a) Use thes
Explain definition of bad debt reserve and provision in terms of accounts receivable likely to be uncollected. Bad debt reserve provision Bad debt reserve provision is a amount
Use inductive reason to find a pattern for the answers. 9x9=81 99x99=9801 999x999=998001 9999x9999=99980001 99999x99999=?
The χ 2 test is one of the most popular statistical inference procedures today. It is applicable to a very large number of problems in practice which can be summed up under th
what is the basic difference between seasonal variation and cyclical variation
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