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1.) The mean number of English courses taken in a two-year time period by male and female college students is believed to be about the same. An experiment is conducted and data are collected from 29 males and 16 females. The males took an average of three English courses with a standard deviation of 0.8. The females took an average of four English courses with a standard deviation of 1.0. Are the means statistically the same? 2.) A student at a four-year college claims that mean enrollment at four-year colleges is higher than at two-year colleges in the United States. Two surveys are conducted. Of the 35 two-year colleges surveyed, the mean enrollment was 5,068 with a standard deviation of 4,777. Of the 35 four-year colleges surveyed, the mean enrollment was 5,466 with a standard deviation of 8,191. I need these to be solved showing all the work, no calculators "These are to be complete Hypothesis test starting with Ho & Ha and ending with a decision based on the rejection region or the p-value." "Find Z (crit) for two tail test withα =.05"
the requirement is to write a report about wave equation confinement method through fourier series and finite element
How would you improve upon the way the Bureau of Labor Statistics computes the unemployment rate?
Write a DFF model with asynchronous clear, asynchronous set, synchronous clear and synchronous set. Asynchronous controls have priority over synchronous controls. In addition, synchronous clear has higher priority over synchronous set. asynchronous s..
What is the average rating for all CBC movies? How about ABN movies and BBS movies and create a line graph of the monthly average ratings for CBC for the year
An average of 8.5 cars are sold per 10-hour day on Saturdays and Sundays in January and February. A) On the first Saturday in February, the dealership opens at 9am. Find the probability that the time until the first sale is more than 2 hours...
Convariance matrix
What was the sample size and how was the data collected? State the meaning of the confidence interval in terms of the specific question or poll.
Suppose the number of days it takes you to get a flu shot
The data in the table below is from a study conducted by an insurance company to determine the effect of changing the process by which insurance claims are approved. The goal was to improve policyholder satisfaction by speeding up the process and eli..
Let G = (V, E) be an undirected graph with V = {1, . . . , K}. Let C1, . . . , CL be the set of maximal cliques in G. Let p(x) = (1/Z)*exp [Sum_l=1toL(ψ_l(x_Cl))]
A furniture cabinet maker produces two types of cabinets that house and hide plasma televisions.
Find the probability the mean of the sample and the only adjustment might be using the p-value from a computer program (like SAS), rather than writing a rejection region.
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