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Identify the relevant population and sampling frame, and indicate an appropriate sampling method for the situations below:
(a) The Human Resources Department wish to determine whether single parent employees have a higher rate of absenteeism than married employees.
(b) A building supply company wants to determine the amount of pilferage from its materials storage warehouses on the east coast.
(c) The State's Industry Ministry wants to determine the relationship between drug abuse and antisocial workplace behaveour.
type your question here the five summery for production order size in thousends pounds for steel tubing is min16.5 q132
Suppose that January sales for the fourth year turn out to be $295,000. What was your forecast error? If this is a large error, Karen might be puzzled about the difference between your forecast and actual sales value.
a statistics class consists of 24 students all but one of whom are unemployed or are employed in low paying part time
Sketch and upload the density function for the random variable Y. Be sure to label your axes and provide values on the axes.
the following data represents the time it takes a company to respond to an account inquiry for opening a new account.a.
Using the information from above, what is the probability that fewer than 45 of the claims have been padded? Round your answer to the nearest thousandths place.
How to drive the car is 9.5 hours with a standard deviation of 1.5 hours. Test the managerâ??s claim at the 1% significance level. Determine the critical values of the test statistic.
The scores on a standardized mathematics test for 8th-grade children in New York State form a normal distribution with a mean of m = 70 and a standard deviation of s = 10. What proportion of the students in the state have scores less than X = 75?
The lecturer of business statistics teaching a large lecture wanted to compare the performance of his students on the three exams that are given during the semester.
An investor estimates that there is a 1 in 10 chance that a stock purchase will lose 20% of its value, a 2 in 10 chance it will break even, a 4 in 10 chance it will gain 15% and 3 in 10 chance it will gain 30%. What is the expected return.
You are responsible for planning the parking needed for a new 256-unit apartment complex, and you're told to base the needs on the statistic "average number of vehicles per household is 1.7."
Using excel create two histograms with a vertical scale in percents for the 1950 and 2075 population data. Insert the histograms into a word document and discuss the main features of each histogram and compare and contrast them
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