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What are some terms related to hypothesis testing that you are already familiar with? Why do a null and alternative hypothesis have to be mutually exclusive? When would you accept the null hypothesis? Can you give an example of this?
Conduct the hypothesis test and provide the test statistic, critical value and/or P- value and state the conclusion.
Use the commutative and associative properties of multiplication and exponential notation to rewrite the product.
I need to find the maximum and minimum surface areas for 2 cubes with a total volume of 432 in^3. No other perameters are specified. I've been able to use common sense to find the max is 432 sq/inches
Calculate the measures of central tendency, dispersion, skew for your data. Display your descriptive statistical data using graphic and tabular techniques. Frequency distribution, Histogram.
What are post hoc comparisons, and why do researchers make them? Why do researchers not use the Bonferroni procedure of procedures for post hoc comparisons?
Suppose we have randomly and independently sampled 25 women and asked each whether she has been a victim of domestic abuse at some point in her life. Find the probability that more than 22 of the women sampled have not been the victim of domestic ..
Explain how much should the airport authority be willing to pay for perfect information about the success of a brand new airport.
Charmers' Candy Store sells wrapped hard candies in the following flavors: strawberry, blueberry, lemon, lime, and orange. They advertise that there are equal proportions of each flavor in every size of their candy boxes.
A haulage contractor has two loads to deliver to separate customers. He has 4 trailers of which 2 are new. If the trailers are randomly chosen for any particular delivery: (a) In how many ways can the trailers be allocated the deliveries?
Using a random sample of 100 workers, researchers calculate a 95% confidence interval for the average hourly wage earned by construction workers in the city of Boston. This interval they calculate is from $18 to $26.
What is the population? What values does the population distribution describe? What is this distribution? What values does the sampling distribution of x describe? What is the sampling distribution?
A professor in the psychology department would like to determine whether there has been a significant change in grading practices over the years.
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