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What is the value of the t score for a 98% confidence interval if we take a sample of size 22?
A. 2.845
B. 2.518
C. 2.861
D. 2.528
E. 2.508
The U.S. Bureau of Prisons publishes data in Statistics Report on the times served by prisoners released from federal institutions for the first time.
questionc1-tinternetgdpco2cellularfertilityliteracyalgeria0.656.0930.32.858.3argentina10.0811.323.819.32.496.9australia3
Last fall, a sample of n = 36 freshman was selected to participate in a new 4-hour training program designed to improve study skills.
Use drinking as an excuse for outrageous behavior. including public nudity and dancing on tables. Find the standard error of this estimate. and interpret.
For a random sample of 35 items, a known population standard deviation of 23, and a sample mean of 211 estimate the: the population mean with a confidence level of 95%.
Check whether the following sample has been drawn from a Normal population. Calculate 95% Confidence interval for population Variance and standard deviation.
Plot CEO salaries against the net profit of their respective companies, do you expect to find a linear correlation between the two? Explain.
What is the degree of correlation between the dependent variable and the independent variable? Is the statistical significance of the model as a whole less than the desired statistical significance for the regression model? Explain the basis for yo..
A computer password consists of four characters. The characters can be one of the 26 letters of the alphabet. Each character may be used more than once. How many different passwords are possible?
These individuals are then examined and categorized as to whether they have a heart disorder. The observed frequencies are as follows:
the worker at a carnival game claims that he can communicate with a small magic rock and to prove it he tells you to
What level of confidence did the statistician use in constructing this interval? Explain carefully, showing all steps in your reasoning. Hint: sample proportion is the midpoint of the stated confidence interval.
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