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1) Explain distribution of sample means (shape , Expected value , and standard error ) for samples of n=36 selected from population with a mean of m =100 and standard deviation of s=12.
2) For population with a mean of m =50 and standard deviation of s =10. How much error, on average, would you expect between sample mean (M) and population mean for:
a) a sample of n=4 scores.
b) a sample of n=16 scores.
c) a sample of n=25 scores
To test productivity quickly, he has his shift foremen record number of defective T-shirts made in randomly sampled week. Critical Value: t =Test Statistic (Show procedure.): t =?
Find a 90% confidence interval for the population mean weight of all such turtles.
What is the optimal strategy for producing 500 tons of newsprint pulp, 600 tons of packaging pulp, and 300 tons of print stock quality pulp at minimum cost?
At the .05 significance level, can we conclude that there is a difference in their mean times?
Formulate a linear programming model for this problem.
Illustrate what is the probability all four calls are infact emergencies. Illustrate what is the probability that three or more calls are not emergencies.
Describe your answer to a person who has never had a course in statistics.
Write introduction to STATISTICAL PROCESS CONTROL and Explain the use of SPC tools used at D2D
To test whether there is significant mean difference between two groups using independent sample t test.
What percentage of population scored between the mean and Jorge?
At 0.01 significance level is it sensible to conclude that modification reduced number of traffic accidents?
Find out the constant using probability density function also cumulative distribution function. Assume X be a continuous random variable with probability density function.
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