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Suppose the 5,000 sales invoices are separated into four strata. Stratum 1 contains 50 invoices, and 2 contains 500 invoices, stratum 3 contains 1,000 invoices, and stratum 4 contains 3,450 invoices. A sample of 500 sales invoices is needed. a) What type of sampling should you do? Why? b) Explain how you would carry out the sampling according to the method sated in (a) c) Why is the sampling in (a) not simple random sampling?
A researcher is asked to determine whether or not a productivity objective (in dollars) of better than $75,000 per employee is possible. A productivity test is done involving 20 employees. What conclusion would you reach? The sales are as f..
A business research topic - Strengthen and improve initial proposal and research questions for the identified problem or opportunity
What is the conclusion you can draw regarding research question that was posed in this research - would you now move on to interpret the results of the Tests of Between-Subjects Tests?
What is the total cost to produce the disks for the year? All workers will be fully utilized each quarter, in other words, there is no under utilization.
Calculating a Z-score and graphing a box plot and Statistical Inference of Sample Mean , Binomial Distribution and Regression Analysis
Explain the methodology you will use to answer the question you posed. Your explanation should include answers to the questions - What is the variable of interest?
Create a histograms for variable height-pull up Graph
Calculate the mean, median, and standard deviation and get statistics on the original reaction time, separately for the three stimulus types. Comment on how the means compare for the three stimulus types.
measures of central tendency and dispersion with spssthe statistics for this week become the basis for several other
The length of the snake Vipera bertis (X), measured in centimeters, is assumed to be normally distrubuited with mean 63 and variance 22. The weight (Y) is measured on grams, can be calculated by using Y= -300 + 7x.
an experiment is conducted in which 60 participants each fill out a personality test but not according to the way they
The variance of each of the following sets of scores
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