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Q1) Assume you have the following data: H1: µ ? 200, S =30, n = 64, and X =218. Conduct a two tailed hypothesis test at the 0.05 significance level.
Q2) If these data in question 8 had been generated with a sample of 25 (n =25), what statistical test would be appropriate?
Q3) Determine a hypothesis that the following data may address and perform a test on the survey data.
a.) American Idol should be broadcast before 9pm: Agree = 40, Neutral = 35, Disagree= 25, total = 100.
b.) Political affiliations of a group indicate: Republicans = 102, Democrats = 98, Total = 200.
A radio station that plays classical music has a "By Request" program each Saturday night. The percentage of requests for composers on a particular night are listed below:
In a random sample of 35 trading days, the volume of a particular stock is recorded to determine whether the mean volume of the stock changed from its 2007 value of 35.14 million shares.
what is the probability that a salesperson selected at random will have an excellent potential for advancement given
Jasmine is an African American graduate student. She is conducting research on the effects that affirmative action programs have had on American corporations.
Based on the earnings below, is there sufficient evidence to conclude, at the 99% level of confidence, that one of these divisions is more profitable than the others? Calculate the mean square for factor, and the mean square for error.
You just saw an ad on television that states the majority of the population would vote to make smoking illegal. The poll that is referenced shows 53% of those asked supported making smoking illegal.
a) What is the distribution and parameter(s) for N and for S?
Categorize as simple, random, sample, stratified/systematic sample, cluster/convenience sample. List discharged hotel customers, divide them day their length of stay, and draw simple random samples from each group.
suppose that the null hypothesis is h0 micro 1000 and the alternative hypothesis h1 micro 6 1000. assuming sigma
Do men and women have different beliefs on the ideal number of children in a family? Based on the following GSS2008 Data and the obtained t statistics, what would you conclude?
The probability that husband and wife will b alive after 20 years from now is 0.8 and 0.9 respectively.find the probability that in 20 years time 1. both will b alive 2. neither of them will b alive 3. atleast one of them will be alive?
question 1using the telephone numbers listed in your local directory as your population randomly obtain 20 samples of
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