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Descriptive statistics for given data.
Weekly salaries (in dollars) for a sample of registered nurses are listed.
774 , 446 , 1019 , 795 , 908 , 667 , 444 , 960
Find the range, variance, and standard deviation of the data set. Interpret the results in the context of the real-life setting.
Sample data arranged in ascending order:
Salaries of Registered Nurses
444
446
667
774
795
908
960
1019
Find a 90% confidence interval for the mean decibel level µ for this type of transit vehicle.
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Based on this sample information, create a 90% confidence interval for population mean yearly premium.
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Testout the significance of the sample correlation also develop regression equation with scatter plot. Calculate chi-square is less than the critical value
Determine the Midrange. Determine the Standard Variance. Determine the Standard Deviation
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For each of the following two scenarios/descriptions (pp.2), please select two responses, one to indicate the most appropriate test of inference
Carry out the suitable calculations to test for effect modification. Interpret your results.
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