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Question: As a region sales manager you are interested in testing if there is a difference in sales close rates between two of your sales regions. In the west region you contacted 50 sales people and found that they closed a sale at a rate of 40% of the time. The East region had a higher close rate at 50% based on a sample of 80. In the space below write the formula for the test statistic used to evaluate the difference. Second complete (fill in the values) the formula using the information above. Do not calculate the final value of the test statistic.
Random samples of five were selected from each of three populations. The sum of squares total was 100. The sum of squares due to the treatments was 40.
1)Find the margin of error for the given values of C, S, and N. C=0.95, S=3.8, N=64. E=? round 3 decimal places
Based on the model N(1152,84) describing Angus steer weights, what are the cutoff values for.
Determine the 95 percent confidence interval and the 95 percent prediction interval for the selling price of a home with 2,200 square feet.
Find out the best predicted household size given that the household discards 5.00 lb of plastic.
In an Asian country with a population of 6 million people, 60,000 deaths occurred during the year ending December 31, 1995. . What was the cause-specific mortality rate from cholera in 1995?
the acceptance scheme for purchasing lots containing a large number of batteries is to test no more than 75 randomly
Use an appropriate graph to compare the distribution of systolic BP for 50-54 year olds with that for 60-64 year olds. Label the axes correctly, include unit of measure and provide an appropriate title. Include your name in the title of your graph. B..
Derive the standard error of proportion, the margin error and the 95% confidence interval for the proportion indicating preference to flirting.
What type of probability distribution is presented? Find the probability that exactly 5 of his saplings will die in that first winter. Round to 4 decimal places. Find the probability that 5 or less of saplings will die in that first winter. Round to ..
The person's body fat percentage, and ‘y' is the person's lean mass percentage. Predict the lean mass for a person who is 27 years old and has a body fat percentage of 4.5%.
Please give all values of b in the following equations that will give one or more real number solutions?
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