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Assume you have noted the following prices for books and the number of pages that each book contains Book Pages(x) Price(y)
a 500 $7.00b 700 7.50c 750 9.00d 590 6.50e 540 7.50f 650 7.00g 480 4.50
Compute the cofficient of determinationcompute the correlation coefficient between the price and the number of pages
Formulate the hypotheses that can be used to determine whether the sample data support the hypothesis that the mean fuel efficiency rating for midsize cars is greater than the mean fuel efficiency rating for large cars.
You randomly select six women and ask each if she considers herself a fan of professional baseball. Construct a binomial distribution using n=6 and p=0.39.
A complete census taken at the university a few years prior indicated a mean age of 22.4 years with a standard deviation of 7.6 years. Test the null hypothesis at the .05 level.
The share of the national car manufcturers market in South Africa is shown in the table below:
Machine which fills quart milk cartons is set up to average 32.2 oz per carton, with standard deviation of 1.2 oz. Determine probability that filled carton will contain less than 32 oz of milk?
A student is taking a multiple choice exam in which each question has four choices . Assume that the student has knowledge of a correct answer to any of the questions.
Assuming that the population variances are equal for male and female Grade Point Averages (GPAs), use the following sample data to test whether the averages are different at the 0.05 level of significance.
USA Today reported that 11% of all books sold are of the romance genre. If a local bookstore sells 316 books on a given day, what is the probability that
A particular product is known to have an exponential failure time distribution with a mean of 12 months.
Use the following data to write the normal equations of the linear regression between Y and X, and find the least squares regression.
Use these statistics to construct a 94% confidence interval for the mean monthly consumption for the population of all Ontario households.
For commercial banks in each state, the U.S. Federal Deposit Insurance Corporation has determined the percentage of domestic assets. Construct a frequency distribution with 6 classes for this data.
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