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1. Collect a data set with two related variables. You can create your own data set or can download a data set from a web or to use data sets that posted on project organizer.
2. Calculate descriptive statistics, i.e., mean, median and standard deviation,
3. Estimate a regression equation for the two variables.
Assume that 80% of the adult population in the United States has tasted either Coke or Pepsi. For a sample of 250 adults, How many would you expect to have tasted either Coke or Pepsi? Whats the variance?
A manager wishes to find out whether there is a relationship between the number of radio ads aired per week and the amount of sales (in thousands of dollars) of a product. The data for the sample are shown below. a) Draw the scatter plot for the v..
financial managers inc buy and sells a large number of stocks routinely for various accounts that it manages. portfolio
refrigerant 134a undergoes a process for which the pressure-volume relation is p?n constant. the initial and final
What maximum variance of the raw score population could you have and still be able to reject the null hypothesis of μ = 20 (α = .05), if the sample size is 100 and the sample mean is 22?
testing for population mean.atms must be stocked with enough cash to satisfy customers making withdrawals over an
Suppose the paper cannot support the fixed expenses of a full-production setup if the circulation drops below 321,000. If the probability of this event occurring is low, the production manager might try to keep the full crew in place and not disru..
Find the values of b0 and b1 using the method used in regression, and predict the time in minutes required by the operator to produce the component, after 3 hours of training.
Find a point estimate of the population mean. Find the 95% confidence interval of the population mean. Assume the variable is normally distributed.
Box 1 has 3 chips numbered 1,2,3. Box 2 has 2 chips numbered 1 and 2. Suppose a chip is randomly selected from box 1 and placed in box 2.
suppose you are trying to measure the rate of total decay events per second r from a certain radioactive source using a
during ejection from a military airplane the pilots acceleration must not exceed 16g ig injury is to be avoided.
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