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1) Define what a hypothesis is and discuss the relationship between hypothesis testing and statistics.
2) List the five steps required to test a hypothesis of the mean. Be sure that all steps are in the correct sequence. Explain why the fifth step is the most important.
3) Discuss what independent and dependent variables are in an experiment, state the relationship between the two and give an example.
Rosa's Italian restaurant wants to develop forecasts of daily demand for the next week. Develop a forecasting chart, using MS Excel. Include the steps used in your forecast.
What happens to the confidence interval and the power of the test at a particular point of interest
Simulate both one-and two-teller systems, calculate waiting time, average queue length, and percentage utilization for each system.
You are running a chi-squared test. You have 2 groups with 3 characteristics each, what would your critical value be with an alpha of .025?
Assume that the following four examines were tested as part of a large group that had a normally curved distribution.
Based on p=.60, probability that a randomly selected homeowners will say no to newspaper subscription.
Explain the independent variable, covariate, and levels (groups) of eah. Also, explain the dependent variable and its associated measurement scale and expected outcome.
47% of students have children under 17 living at home with them. Find the probability that a random sample of 800 students will return more than 50% students with children under 17 living at home with them.
At the .01 significance level, can we conclude that there is more variation in the selling prices of the oceanfront homes?
Formulate both a numerical and verbal hypothesis statement regarding your research issue. Perform the five-step hypothesis test on data pertaining to your selection.
The resulting equation for the line of best fit is given below, with x being observed for values between 10 and 200. If a production run was scheduled to produce 80 units, what would you predict the cost per unit to be in dollars?
A savings account was opened for a baby on 1985 with a $100 deposit. No withdrawals or deposits occurred since the account was opened. The current balance of the account is $246.47. Measured in dollars of the year in which the account was opened, how..
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