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1) How does difference estimation differ from estimation of the mean?
2) When would you want to estimate the population total instead of the population mean?
3) Under what circumatances do you use a one-sided confidence interval instead of a 2 sided confidence interval?
Comparison of paired and unpaired samples test - Prepare a brief conclusion statement summarizing your results. What can you tell this MHMR about client satisfaction? What could you suggest they do to improve?
The following data from a sample of 100 families show the record of college attendance by fathers and their oldest sons: in 22 families, both father and son attended college; in 31 families, neither father nor son attended college; in 12 families,..
Is there a method which is accepted across industries for determining the minimum size of valid sample? N>50 +(8m aka 8 times the number of independent variables)
When the names of all the students at Omega University were dropped to a fishbowl, they would include:
We can think of this as the value of mew that maximizes f(y), the probability that our observed value of y occurs.
Calculate expected value for each decision and choose the best one. Find out how much firm would be eager to pay to a market research firm to gain better information about future market conditions.
Develop a scatter diagram for the data and write a brief summary.
Use this sample information to develop a 99% confidence interval for the population proportion of women who wear flats to work.
Assuming that the first digit cannot be a zero, compute the number of possible outcomes when the digits can be repeated.
Does the variability in output appear to differ at the two experience levels? Test the hypotheses at the .05 significance level.
Using the .02 level of significance, conduct a five-step hypothesis testing procedure to determine if the new processes significantly reduced the wait time.
The mean of a sample is 22.5. The mean of 1000 bootstrapped samples is 22.491. The bias of the bootstrap mean is
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