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A sample of n = 5 scores has a mean of M = 12. If one person with a score of X = 8 is removed from the sample, what will be the value of the new mean?
No, there is not enough information to refuse hypothesis that proportion of male students who live on campus and proportion of female students who live on campus are same as the test value -1.65 is inside acceptance region (-1.96,1.96).
How many departments would they need to survey to achieve this level of accuracy with 95% confidence?
The weight of a product is normally distributed with a standard deviation of .5 ounces. What should the average weight be if the production manager wants no more than 5 percent of the products to weight more than 5.10 ounces.
Does this sample indicate a smaller average? Use α = 0.05 and assume a normally distributed population.
Prepare an ANOVA table and test the null hypothesis of no linear relationship between the two variables.
Final step to be performed when testing hypothesis of population mean is to?
Her results (in hours until turning a particular shade of brown) are in the table below. At ∞= .01, did she see a difference between the two treatments?
Find a 99% confidence interval for the population mean number of weekly miles.
Which conditional distributions do these statistics refer to, those of y at given catagories of x, or those of x at given categories of y? Set up a table with race of murderers as rows and race of victims as columns, showing the two conditional di..
If the manufacturer's claim is true, what is the probability that the claim will be rejected?
Equation of the regression line - Evaluate the equation of the regression line and Find y' when x=47 years.
The amount ($1.00, $5.00, $10.00, $25.00, or $50.00) promised to each person was determined by randomization. For each person who was sent one of the surveys, The value of the X2 test statistic for testing the hypothesis
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