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In each of the following scenarios, which would be larger, the mean or median, or would the mean and median be about the same? Provide reasoning--think about the shape of the histogram for the data and how the shape would affect the relationship between the mean and the median for each situation.
a. salaries at a law firm that has 10 experienced lawyers and 3 staff assistants
b. gas mileage obtained on this year's compact sport utility vehicles
c. the total amount of money of the change (coins) found in the pockets of male Penn State students.
Would the null hypothesis be accepted or rejected in this case?
Find out the coefficient of determination, r 2 , and interpret its meaning.
Explain how many cars would required to go by the speed trap to be 99.8% sure which at least one driver will warm oncoming traffic of the speed trap.
Why can not we just do several two sample tests like we did in the last week. In your own words explain briefly also tell us what these are and what did it mean.
What can be completed to remedy multicollinearity.
Carry out the test for the variance of girls score is not significantly less than the given data.
If a technical breakthrough occurred that raised the profit per unit of X 1 to $3, would this affect the optimal solution?
A large tank of fish from a hatchery is being delivered to a lake. The hatchery claims that the mean length of fish in the tank is 15 inches, and the standard deviation is 2 inches. A random sample of 36 fish is taken from the tank.
Decision making under risk is the same as decision making under uncertainty because in both the probabilities are unknown.
Below are scores for 10 randomly selected students on each exam. 95% confidence interval for the mean scores on?
Can we conclude at the 5% significance level that the population mean weight of athletic men is lower than the population mean weight of non-athletic men?
She has a history of being successful at getting a donor on 55 percent of her calls. If June has a quota to get at least four donors each day.
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