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A behavioral research situation that could use a Pearson coefficient research study and a chi square research study. Present the rationale for each selection.
A researcher is investigating the effectiveness of a new study-skills training program for elementary school children. A sample of n= 25 third grade children and each child is given a standardized achievement test at the end of the year.
An investment counselor would like to meet with 12 of his clients on Monday, but he has time for only 8 appointments. How many different combinations of the clients could be considered for inclusion into his limited schedule for that day?
What is 95% confidence interval estimate for average number of years served by all Supreme Court justices?
A local politician in this town has stated that the average property taxes are $1800 and most people do not pay more than this amount. Conduct a test at the alpha = .01 level to determine if this is true. For this test, consider a sample size of 3..
Find at least what percentage of all homeowners in this city pay a monthly mortgage of 865 to 1,675.00.
Determine the sample size necessary to estimate a population mean to within 1 with a 90% confidence given that the population standard deviation is 10, Suppose that the sample was calculated at 150. Estimate the population mean with 90% confidence..
what are the probability of you having the disease?
The following data show the cost of electricity during August 2010 for a random sample of 50 one-bedroom apartments in a large city:
A cognitive psycholgist believes that a particular drug improves short-term memory. The drug is safe, with no side effects. An experiment is conducted in which 8 ramdomly selected subjects are given the drug and then given a short time to memorize..
What is the equation for least squares line? Calculate the coefficient of determination.
Describe the independent variable and the dependent variables?
Easy-Fly Airline took a random sample of 25 flights to determine if the mean time it takes for luggage to reach the travelers departing from a flight is less than 15 minutes. The sample mean was found to be 13.8 minutes with a standard deviation o..
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