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"A company of accountants has branches in five regions, Port Louis (PL), Curepipe (CPE), Beau Bassin (BB), Rose Hill (RH) and Quatre Bornes (QB). It employs the following number of staff at each branch - 120 at PL, 80 at CPE, 40 at BB, 60 at RH, 100 at QB.
Suppose the company wishes either to involve every employee, or conduct a survey of 20% of its employees. Advise how the sample for surveying should be best selected by each of the following sampling methods, commenting on the advantages of each:
a. Census. b. Cluster sampling.c. Simple random sample.d. Stratified random sample. e. Systematic sample.
The data in the table below are the results of a random sample of recent home sales in your neighborhood that your boss has asked you to use to estimate the relationship between th
a fair die is thrown 3 times.let X1,X2,X3 denote results of 3 throws.what is the probablity that p[X1>X2+X3]
Mention the characteristics of Statistics. Explain any two applications of Statistics.
difference between tests of goodness of fit & tests of independence
1. (i) Complaints were made about the level of pollutants in the discharge from a certain factory. The factory refuted the complaints by showing the results of their own analysis
state the advantage of expansion of solid
Introduce the aim of this section of the report including an explanation of the data to be analysed. • Use Excel to produce a box and whisker plot for the two sets of booking data
In order to derive meaningful results from the statistical tables the researcher may use one or more of the followings four steps: a.The first step is to calculate relevant meas
Assumed Means Deviations in F2 Test : When actual means of X and Y variables are in fractions the calculations can be simplified by taking the deviations from assumed means. When d
The Midwestern Manufacturing Company (MMC) is a large manufacturer of electrical generators. The firm has experienced demand for their generators as shown below: Year Demand
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