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Suppose the population is the future income of the business students at Murray State. After graduating from MSU it is not unreasonable that =200,000 and =40,000.
a) Make up three data points that would be considered typical from this population(typical is within one SD of the mean).
b) Make up three data points that would be considered unusual from this population(unusual is more than three SD's from ).
c) For n=25 make up three values of that would be considered typical for a sample from this population
d) For n=25 make up three values of that would be considered unusual for a sample from this population.
Test the claim at alpha-.05 that the average wage has not changed by finding the p-value for the test.
Normal distribution with a mean of 33 oz. and a standard deviation of 0.7 oz. What proportion of packets are underweight (i.e., weigh less than 32 oz.)?
The new Twinkle bulb is being developed to last more than 1000 hours. A random sample of 100 of these new bulbs is selected from the production line.
There are two car dealerships in a particular region. The mean monthly sales at the two dealerships are about the same. Though, one of the dealerships (dealership A) is boasting to corporate headquarters that his dealership's monthly sales are mor..
What is correlation? Does correlation directly support causation, what are both sides of the argument?
Calculate the t-test statistic by hand. I don't understand steps to solve this problem. If you could provide me with a step by step narrative it would be appreciated.
Bill is doing a project for you in the marketing department. In conducting his analysis regarding consumer behavior and a new product that has come out
Many believe that GM's demise could lead to a ripple effect and cause many other businesses to go under. This ripple effect, many think, could cause the United States to slip out of a recession and lead the country into a depression.
The McCollough Corporation, a producer of various kinds of batteries, has been producing D size batteries with a life expectancy of 87 hours.
Determine the probability that gas tank's capacity is above 15.25 gallons?
Identify a research issue, opportunity, or problem that uses data that has absolute zero measurements. Some examples include a team member's stock portfolios performance
In a survey of women in a certain country (ages 20-29) the mean height was 64.5 inches with a standard deviation of 2.75 inches. What height represents the 90th percentile? What height represents the first quartile?
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