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A population consists of the following five values: 11, 12, 14, 15, and 17.
a. Mention all samples of size 3, and compute the mean of each sample.
b. Compute the mean of the distribution of sample means and the population mean.
Construct a 95% confidence interval estimate for the average waiting time of all the patients who visit this doctor. Assume the population of waiting times is normally distributed.
A local group claims that the police issue more than 60 speeding tickets a day in their area.
At.01 level of significance, is proportion of seeds which germinate dependent on seed type?
Finding the probability of sample and describe the sampling distribution of the sample means.
Tompkins Associates reports that the mean clear height for a Class A warehouse in the Unites States is 22 feet. Suppose clear heights are normally distributed and that the standard deviation is 4 feet.
Testing for population mean - warp-breaking specification of the manufacturer at the .05 level of significance?
Determine the largest village in terms of the population?
For such groups of 800, would it be unusual to get 687 consumers who recognize the Dull Computer Company name?
Report the t-value, whether you accept or reject Ho, and whether the difference was significant in a brief sentence.
Draw the suitable 2x2 table, compute and interpret suitable measure of association.
A random sample of 50 households revealed a mean of $112,000 and a standard deviation of $40,000. What is the standard error of the mean?
Determine what analysis would you do on each problem (i.e., one-sample z-test, one-sample t-test, proportion test, two-sample independent t-test, or paired test)?
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