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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
Year : 2008 2009 2010 2011 2012 2013 sale : 111 120 114 123 117 126
The sizes of 15 California earthquakes are given below. 6.8 6.6 7.5 6.2 6.5 7.1 8.3 5.9 6.1 6.9 7.0 6.2 5.9 6.3 7.3 (a) Assuming normal distribution for the s
AA major razor blade manufacturer advertises that its twin-blade disposable razor “gets you lots more shaves” than any single-blade disposable razor on the market. A rival company
why death rates are standardlized
Define Allocate To split a lump-sum appropriation into parts that are specific for expenses by particular government models and/or for particular requirements, actions, or things.
The specification for a plastic handle calls for a length of 6.0 inches ± 0.5 inches (5.5 to 6.5 inches). The process is known to operate at a mean thickness of 6.1 inches. The mi
What is meant by interpolation and extrapolation. State the assumptions used for interpolation and extrapolation
when testing hypothesis is the level of significanc the type error I?
Define Overtime Pay Extra time represents time worked in excess of 40 times weekly. Whether or not workers are bought overtime will depend on each worker's job obligations and
The Washington Corp stock has a β of 1.15 and it will pay a dividend of $2.50 next year. The expected rate of return of the market is 17% and the current riskless rate is 9%. The e
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