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Basically trying to figure out once you get the test statistics how you determine critical value through the Table chart.
Trying to find critical value for test statistics of 2.36 with 10 subjects, 7 had higher scores, 2 had lower scores, and 1 score did not change. Using the traditional method of hypothesis testing. Use an alpha level of .01.
Trying to find the critical value of scores of girls are smarter than boys on tests. Assume the degrees of freedom for this problem is 27. The test statistic was 2.69 (alpha equals .05). If the mean of the boys score was lower than the mean of the girls score can she reject her null hypothesis?
Finding critical value, t score of randomly selected 217 students and found that they had education with a mean of 7.89 years and a standard deviation of 3.67 years. They also randomly selected 152 faculty and found that they had education with a mean of 5.99 years and a standard deviation of 3.65 years. Use a 0.01 significance level to test the claim that student cars are older than faculty cars.
Ed Norris has developed a Web site for his used textbook business at State University. To sell advertising he needs to forecast the number of site visits he expects in the future. For the last 6 months he has had the following number of site visit..
Determine the value of the finite population correction factor if population size is 1000 and the sample size is 300? What is the smallest sample size for which finite population correction factor must be Used?
Items coming off a production line are categorized as good (G), slightly blemished (B), and defective (D), and the percentages are 80%, 15% and 5%, respectively.
The Skateworld Company operates ice rinks in several major cities throughout the United States. During each session of open skating, one customer is selected at random to receive a free pass for a future open skating session.
A shipment of 10 items has two defective and eight nondefective items. In the inspection of the shipment, a sample of items will be selected and tested. if a defective item is found the shipment of 10 will be rejected.
Please use words to describe the solution, not just symbols. (basically, explain what is going on in addition to an answer) Use a math symbol editor where appropriate.
Chi-square test for goodness of fit - difference in the use of the four entrances?
Suppose you want to estimate the sample size for a multiple correlation analysis. There are five predictors in your study.
In the following example, why would Chebyshev's Theorem be used instead of the Empirical Rule?
Finding the probability value for the given data using normal approximation
To find the probability values in case of raw data, binomial, normal
Compare the two forecasts computed in (a) and (b), using MAD. Which one should the dealer use for January of the next year?
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