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Merrill Lynch Securities and Health Care Retirement, Inc., are two large employers in downtown Toledo, Ohio. They are considering jointly offering child care for their employees. As apart of the feasibility study, they wish to estimate the mean weekly child-care cost of their employees. A sample of 10 employees who use child care reveals the following amounts spent last week.
$107 $92 $97 $95 $105 $101 $91 $99 $95 $104
Develop a 90 percent confidence interval for the population mean. Interpret the result.
Establish a 99% Confidence interval about the difference in the proportion of the town voters and county voters who favor the proposal.
Sales manager wishes to award sales representatives who earn the largest commissions a bonus of= $1,000 .He can award bonus to 20% of representatives. Determine cutoff point between those who earn bonus and those who don't?
Select the level of significance, and determine critical, ZCR value.
How large a sample should be taken if the desired margin of error E is:
Q2 is dummy variable equal to 1 in second quarter and 0 otherwise; and Q3 is final dummy variable equal to 1 in third quarter and 0 otherwise. Determine the Base Quarter?
To determine if there is a relationship between grade performance and extracurricular participation, North Carolina state conducted a study of 112 students, recording the number of students in each of three extra-curricular categories, and each of..
What type of research design is the strongest when I what to adopt a new educational program? Using a pre-test and post-test with control group, the previous method but without the control group.
Describe the optimal solution to a linear programming problem. comprise the following constraints from a two -variable linear program.
A 95% confidence interval for the average difference between the two reaction times (traditional - LED) was (-171.37, 174.44). Which of the following is the appropriate conclusion?
Find the regression equation to predict the cognitive series score from the 7 minute screen score using SPSS. Be sure to write out the equation by hand using the variable names
At the .10 significance level you will test to determine if there has been an increase in selling time. What is your decision?
Find out: The slack on all activities. The critical activities. The critical path.
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