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How is hypothesis testing performed using t-tests?
How do you write out Ho and Ha?
What are the options for determining whether a hypothesis test result is significant?
What are critical regions?
How do you determine which t-test is most appropriate to use?
a student randomly guesses the answers to six questions truefalse quiz. if there is a 50 chance of guessing correctly
444 voters to predict whether the budget will pass. Suppose the budget has 53% of the voters. What is the probability that the newspaper's sample will lead it to predict defeat?
q1 can you describe a data set for which one would one would prefer to use the median rather than the mean?q2 can you
it is known that the population standard deviation of weight among females is 15. assuming that we have a random sample
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Create a frequency distribution and histogram for this variable, and calculate the mean, median, and standard deviation. Describe how BankTen compares with other banks in terms of profits per employee.
Sketch the distribution of Stanford -Binet IQ test scores. Write the equation that gives the z score corresponding to a Stanford-Binet IQ test score. Sketch the distribution of such z scores.
computing the expected values for the given probability distribution.find the expected values of the following
define basic and applied. your definitions should highlight the primary distinctions between the two types of research.
Devise a method for estimating and plotting Bayesian credible regions for the paramters, using your MCMC sample and compute LS estimators of a and b,
Perform a significance test to see if there is a relation between mortality and duration of employment in the group hired AFTER 1945 and report a p-value.
Test for significant differences among weight losses for the five diets, and perform all pair wise comparisons using:
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