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A sample of students from an introductory psychology class were polled regarding the number of hours they spent studying for the last exam. All students anonymously submitted the number of hours on a 3 by 5 card. There were 24 individuals in the one section of the course polled. The data was used to make inferences regarding the other students taking the course. Construct a 95% confidence interval estimate. Explain your findings so that your non-quantitative partner will understand them. Their data is below:
20 18 7.5 11 10 3.5 7.5 18 19 2.5 9 149 14 14.5 17 22 4.5 10.5 15 5 8.5 8 20
What is approximately the largest sample mean of another sample of n= 16 participants you would expect to obtain from this finite population?
Find the value of k that makes f(x; y) a valid probability distribution.
Illustrate a quantitative assessment of what our charts would look like and what these new targets would do to our operations.
A typical problem statement is correlation research is _____________
Convert each of the following z intervals to x intervals.
Calculate the 90% confidence interval about μ if sample size, n, is 55. How does increasing sample size affect margin of error, E?
Find a 99% confidence interval for the population mean number of weekly miles.
Find out the estimate of the population mean.The mean daily sales at the Stop and Go are $20,000 for a sample of 40 days. The standard deviation of the sample is $3,000.
Assume that preparation D was a placebo. Use the Scheffe's procedure to compare the average response of A, B, C, and E to the response for D.
For binomial distribution among given values for n as well as p state whereas or not it is suitable to use normal distribution as an approximation.
Find the percent of a standard Normal model found in the given region. Round to the nearest hundredth of a percent.
Many people think that job satisfaction in workplace is directly related to annual income. To check the validity of this assumption survey of 430 active working adults in U.S was taken that relates their job satisfaction to their annual income.
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