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95% confidence interval for the average price of a gallon of regular gasoline in our state is from $3.15 to $3.45. Use the fact that the confidence interval for the mean is in the for x- E to x+ E to compute the sample mean and the mazimal margin of error E.
How would you use the concept of probabilities to apply to profiles for hiring more satisfied individuals?
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..
Describe the circumstances under which you should use ANOVA instead of t tests, and explain why t tests are inappropriate in these circumstances. Find a peer-reviewed article that reflects these circumstances, describe the research conducted (i.e...
What is the probability of getting someone who is in the 23-30 age brackets or whom smokes?
Use a scatter plot to determine the relationship between the x values and the y values.
Test the hypothesis that there is no difference between the means of retailers (α= .05). Select a multiple comparison test, if necessary, to determine which groups differ in mean sales (α= .05).
A box contains six parts. Two of the parts are defective and four are ok. If three of the six parts are selected from the bin, how large is the sample space?
Explain the difference between descriptive statistics and inferential statistics with less than 50 words? Name two graphs that can be used for describing qualitative data and two for describing quantitative data. Name one graph that can be used to ..
Using the finite population correction factor, compute the standard error for each of the three firms given a sample of size 50.
Which of these following statements provides the best guidance for the model building?
Test at the 5% level whether the incidence of smoking depends on the age category
I'm trying to determine what happens to the sample size if the level of confidence is reduced from 95% to 90% but the allowable error and the standard deviation remain
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