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The marketing department of a company has designed three different boxes for its product. It wants to determine if sales for these boxes are different. Each box will be marketed in five different stores for a period of a month. Sales data for each box for each of the five stores were recorded. Which of the following would be the appropriate type of test of hypothesis if the objective is to determine whether the sales for these boxes are different?
The State Department of education requires local school districts to keep records on all students within their district. Determine if the following items are categorical or numeric variables.
1. suppose that from the past experience a professor knows that the test score of a student taking his final
find the values of t that bound the middle 0.8 of the distribution for df 25. give your answers correct to two decimal
a starting lineup in basketball consists of two guards two forwards and a center. a certain college team has on its
What P-value was found when determining whether there is a difference in the IQ of girls and boys in problem 6? Should you reject the null hypothesis?
Use software to access the survey data and test whether or not the students constitute a sample from a population where the mean number of credits is more than
Find the probability that a standard normal random variable will have a value between -2 and 300.
Comprise appropriate (BPS formatted) descriptive statistics table inferential statistics table.
professor yao wants to know whether students at eku can score higher by attending class each time. he understands that
Consider the statement, "When there are a finite number of outcomes, then all probability is just a matter of counting.
Calculate the 95% confidence maximum error of estimate for a binomial experiment of 1027 trials that result in an observed proportion of .47.
in the world series of baseball two teams a and b play a sequence of games against each other and the first team that
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