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What are the main differences between descriptive and inferential statistics? Give examples of each.
When would random sampling not be the best approach to sample selection? Give an example.
Office Visits what is the age distribution of patients who make office visits to a doctor or nurse?
A normal population has a mean of 75 and a standard deviation of 5. You select a sample of 40. Compute the probability the sample mean is
A certain random experiment can result in one of four different possible outcomes, which we'll call A, B, C and D.
Write the hypothesis statement. What distribution are you using?
Then use ogive to estimate median and first and third quartiles. Also utilize it to reply following question: What percent of 60 mutual fund loads are less than 75.
Determine the probability of selecting sample with a mean of more than $100,000 but less than $112,000.
Draw the complete decision tree and determine whether the product should be launched or not.
A sample of 50 provided a sample mean of 14.15. The population standard deviation is 3.
Make use of normal probability distribution features of EXCEL to help determine the probability.
Make up a scatter diagram with 10 dots for each of the following:
To test whether the population standard deviation differ significantly using Chi-Square test.
A farmer in South Carolina must decide which crop to plant next year on his land: corn, peanuts, or soybeans. The return from each crop will be determined by whether a new trade bill with Russia passes the Senate.
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