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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.
In November and December 2010, Lane Co., a newly organized magazine publisher, received $90,000 for 1,000 three-year subscriptions at $30 per year, starting with the January 2011 i
Mike sells on the average 15 newspapers per week (Monday – Friday). Find the probability that 2.1 In a given week he will sell all the newspapers
A teacher is interested in comparing the effects of 3 different parts of rehearsal methods (Rote rehearsal, Imagery, and Story) on number of words recalled. Participants are random
This week, you have learned about how to use Cronbach's alpha as a measure of scale reliability. In this Application, you will calculate Cronbach's alpha for provided data. To p
Find a population data set that contains six entries, has a mean of 5, and has a standard deviation of 2
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
List all possible simple random samples of size n = 2 that can be selected from the population {0, 1, 2, 3, 4}. Calculate 2 s for the population and Var y( ) for the sample.
how does wave act as in interfrence?
According to de Broglie hypothesis and Heinsberg’s uncertainty principle, if and electron is to exist inside the nucleus, it should posses energy ranging from 20 MeV to 200 MeV. B
Consider the following pre-merger information concerning two firms, Mokhaba Manufacturers and Mabhida Merchants: Data
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