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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
The researcher and the respondents do not come in contact with each other if this method of survey is adopted Questionnaires are mailed to the respondents with a request to re
A car moves with constant velocity along a straight road. Its position is x1 = 0m at t1 = 0 seconds and is x2 = 56 m at t2 = 5.0 s. what is the cars position at t=2.5 seconds and
An audit of the accounting records of Loch Ness Ltd. for the year ending 30 June 2012 discovered that the ending inventory balance was over-valued by $35,000
Q1 Choose the option that is closest to the exact value of the probability P (30 ≤ X Q2 Choose the option that is closest to the approximate value of the probability P
#question.questionnaire on drug abuse, its implication on youth educational achievements.
Would there be a possibility to use the correlation coefficient to identify collocations? Compare with the Chi2 test. • How could we maybe do that?
What are the uses of arithmetic mean?
In reguards to the airlines indusry, provide a minimum of 300 words for each statement. plus atleast 3 academic resources. 1. hypothesis the basic short-run and long-run behavio
Ask Suppose that the expected number of phone calls that are handel by a switchboard in each second is 5.35. Assume that the distribution of the number of phone calls per second fo
Northern Hi-Tec Electronics Limited manufactures six computer peripheral devices: internal modems , external modems , circuit boards , CD drives , hard disk drives , and memo
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