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Survey on marital status to determine whether the data is qualitative or quantitative a. In completing a survey, subjects used the following numbers to indicate marital status
1 = Single (never married)2 = Married3 = Divorced4 = WidowedIs this data qualitative or quantitative? Describe
b. examine the difference between a variable and a parameter. Contain an illustration.
Determine the sample size needed in order to be 99% confident that the sample proportion of the current customer accounts is within .03 of the true proportion of all current accounts for this company.
Evaluate the mean wait time and throughput rate
Find a 98% confidence interval for the mean number of days required for successful completion of physical therapy for patients in the average group. Discuss the results.
each person received was determined by randomization. For each person who was sent one of the surveys, the researcher recorded whether or not a completed survey was returned.
The data in the scatterplot below are an individual's weight and the time it takes (in seconds) on a treadmill to raise his or her pulse rate to 140 beats per minute. The o's correspond to females and the +'s to males.
What is the 95% confidence interval estimate of the population mean cost for a prescription of Zocor?
Compute the probability that randomly chosen student with a Master's degree majored in English or mathematics?
Write all the possible samples of size 2 and calculate the average or median of each one.
Test out an suitable hypothesis also state your conclusion. Make sure the suitable assumption as well as conditions are satisfied before you proceed.
Evaluate the strength of the relationship by computing the coefficient of determination.
Recent actual and forecasted data for product XYZ is given in the following table.
Data in table represent number of consumer complaints against major U.S. airlines. If one complaint from table is arbitrarily chosen, determine the probability that it was filed against United Airlines.
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