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What is the Central Limit Theorem? How large should the sample size be if the underlying distribution of the population values are:
a. Normally distributed (discuss).
b. Non-normally distributed. (discuss)
2. What is the difference, if any, between the standard deviation of the sample and the standard error of the mean? Discuss
seventy percent of married couples paid for their honeymoon themselves. you randomly select 20 married couples and ask
What is the probability that a random sample of 49 different one-hour shopping periods will yield a sample mean between 441 and 446 shoppers - Explain why the assumption of normality about the distribution of wages was not involved in the solutions ..
Ways of Reducing Gender Bias in Sampling
Fizz fizz soda comes in two varieties, regular and diet. If a researcher has 8 boxes of each, how many ways can he select 2 boxes of each for a quality control test? Which answer would be correct?
If the company's report is correct, what is the probability that the average balance of an account in the sample is $394 or less?
Provide an example of a situation in which factor analysis, cluster analysis, and multidimensional analysis might be used.
suppose that a study discovered that the average time it took passengers to go through the customs process for
Estimate the true proportion of college students who believe in the possibilty of haunted places with 99% confidence.
Findout either the given correlation is significant at given level of significance. Illustrate what does sample size have to do with the significance of r.
Using the information provided, determine the optimal number of clerks to have on duty each Satyrday to minimize the store's total expected cost.
The stakeholders in the simulation have different opinions as to the proper course of action the organization should take. Write a 350-word memo to the stakeholders in the simulation.
Following data on x=weight (in pounds): x 1 33.5, x2 27.3, x3 36.7, x4 30.5 Suppose that one more piece is selected; denote its weight by x5. Find a value of x5 such that X = smaple median.
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