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My product development team is wondering if there is a correlation between retail online sales and total retail sales. I must work with the peer/mentor group to calculate the correlation between online and total retail sales, and interpret the results. If my peers are struggling with the calculations, I should share examples and insights to help them along.
Then, give two examples of correlation which are evaluated in a business environment and discuss the decision made by evaluating the correlation.
Calculate the standard error. With 95% confidence, find out the margin of error?
Determine odds student gets more than 14 questions correct? Determine the odds student gets exactly 12 questions correct?
Is there evidence that the population mean amount is different from 8.17 ounces? (Use a 0.05 level of significance.)
Determine the following:Mean, Median and Variance.
Under older Federal Aviation Administration rules, airlines had to estimate the weight of a passenger as 185 pounds. That amount is for an adult traveling in winter, and it includes 20 pounds of carry-on baggage.
A nutritionist conducted an experiment on memory for dreams. She wanted to test whether it really was true that eating cheese before going to bed made you have bad dreams. Over three nights, the nutritionist fed people different foods before bed.
The law of large numbers tells us what happens in the long run. Like many games of chance, the numbers racket has outcomes so variable-one three digit number wins $600 and all others win nothing-that gamblers never reach "the long run".
It is not unusual for a battery to have life span that is more than 2470 hours as the z-score is within 2 standard deviations of mean.
What is meant by illusionary correlations? Why is it so difficult for individuals to disprove their beliefs in correlations that are actually false?
Using the table below, compare and contrast the main differences between two quantitative research designs and two qualitative research designs.
Draw a simulation experiment for car agency and simulate using fleet of four rental cars for 10 days.
What is the probability that the offspring will not have the disease. In other words what is the probability that offspeing will have genotype ss interpret this probability.
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