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The average cost of a one bedroom apartment in a town is $550 per month. What is the probability of randomly selecting a sample of 50 one bedroom apartments in this town and getting a sample mean of less then $530 if the population standard deviation is $100?
Given that standard deviation process=4.7 and standard deviation gage=3.4, what is the total standard deviation in data from this process?
The rest have no opinion. " Suppose that a a sample of 100 American adults is quizzed on the subject. What is the probability of the following events?
Develop a linear regression model for these data and forecast carpet sales if 30 construction permits for new homes are filed.
The Financial Advisor exam has a mean of 500 and a standard deviation of 20. If the bank chooses to hire either Steve or Mark based solely on their exam performance, who is the bank more likely to hire? Show evidence for your answer.
Calculate the mean and standard deviation of the sample mean based on data from 100 stores.
Run a multiple regression and interpret all the findings, R 2 , F, IV coefficients, and the intercept. Then in paragraph format, identify and report the following:
Find a peer-reviewed article that provides an example of a study where the researchers utilized a one sample chi-square OR a two sample chi-square. Briefly describe the study and discuss its findings in your own words.
To find the probabilities values of standard normal variable
Assume that two samples are independent simple random samples selected from normally distributed populations. Use a 0.05 significance level to test the claim that male and female biology students speak the same mean number of words in a day.
At the .05 significance level, can we conclude that the guideline is still reasonable?
each person received was determined by randomization. For each person who was sent one of the surveys, the researcher recorded whether or not a completed survey was returned.
Determine the probability in big class that both sections are covered? Only one section? Neither section? Determine the expected number of sections covered?
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