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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
if sales is 6800 and variable costs are 2856 what is the variable cost percentage?
journal entries of a loan swap with different currency
what is environmental apprasial
marginal costing and its break-event analysis
format of manufacturing accovnts
Measures of Dispersion (Variation) A measure of dispersion is to measure the spread among values of observations in a data set. There are three commonly used measures of disper
Following is the trend equation for a time series data on a monthly basis for years 2007 to 2009: Y=2.375+0.895X. Find Y for 2nd quarter of 2010.
find the variance of least square estimator beta hat for general linear regression model when k=2 in matrix form?
Data was gathered on a group of ninth grade students. Some students have been diagnosed with a learning disability. All students were measured on conduct, attention, hyperactivity
Quota Sampling: in stratified the cost of taking random samples from individual strata is often so expensive that interviewers are simply give quota to be filled from different str
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