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Under what situations must a the nonparametric test be used? Describe in detail. Write down the strengths and weaknesses of nonparametric tests? Can outcomes of nonparametric tests be generalized to populations?
Let p represent the proportion of registered voters in the state that would vote for the Republican candidate. The standard error for the proportion of those who phoned in who answered "yes" is
Calculate the correlation and the regression equation and plot the data in the space provided.
College students are a major target for advertisements for credit cards. At a university, 65% of students surveyed said they had opened a new credit card account within the past year. If that percentage is accurate, how many students would you exp..
Two years ago, a survey of all Wal-Mart customers indicated that the mean number of items bought per day by male customers was 8.3 with a standard deviation of 3.7.
If the population mean is estimated within two days, how many salespeople should be sampled?
Choose three peer C-reviewed research articles and write a short review of each of them that includes the following: Write the problem statement. Name the theoretical model used or briefly describe the overall conceptual model.
How would you find normal approximation to the binomial probability in part a? please show how you would calculate mean and standard deviation in form for normal approximation to the binomial and show the final form you would use w/o going through..
What is the population from which your sample has been taken? Description of data taken from other sources. Preliminary analysis using histograms, box plots, scatter plots, etc. and investigation of outliers. Do you keep or discard identified outl..
Test this conjecture with formal hypothesis test, by using a 5% significance level. Find out the p-value for hypothesis test.
if 50,000 parts are produced, how many would you expect to fail to meet a minimum specification limit of 35lb tensile strength? How many would have a tensile strength in excess of 48lb?
Add line-of-best fit (trend line/linear regression line) to your scatterplot. Write down the equation of the trend line below.
Find the critical value to test the claim that all ages have purchase rates proportional to their driving rates.
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