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HR Consulting surveyed a random sample of 74 Twin Cities construction companies to find information on the costs of their health care plans. One of the items being tracked is the annual deductible that employees must pay. The Minnesota Department of Labor reports that historically the mean deductible amount per employee is $502 with a standard deviation of $120.
Compute the standard error of the sample mean
1) On an exam there are 10 multiple choice questions. Each multiple choice question has four alternatives to choose from, of which only one is correct. A student can either be prepared or unprepared for the exam. Let us assume that it is equally like..
what is the probability that the sample mean will be at least 1000? Do you need to use the central limit theorism to answer this question? explain.
Gallup reported that 18% of all adult Americans were most worried about not having enough money for retirement, with a 4% margin of error with 95% confidence. (a) What is the research objective?
Compute the following: (Round the value for standard deviation and intermediate calculations to 2 decimal places and your final answer to 4 decimal places.)
the average return for large-cap domestic stock funds over the three years 2009-2011 was 14.8. assume the three-year
Estimate the average score at age 35 for all the individuals who scored 115 at age 18. Predict the score at age 35 for an individual who scored 115 at age 18.
assume that the population standard deviations are equalnbspfor income mutual funds and growth mutual funds. use the
What conclusions can be drawn from the F-ration and the post hoc comparisons and what is the effect size, and what does this mean
A quality control engineer selects a part to be tested. The part is then declared acceptable, repairable, or scrapped. Then another part is tested. List all the possible outcomed of this experiment.
question there is some evidence that rem sleep associated with dreaming may also play a role in learning and memory
body mass index is measured as the ratio of weight in kg to height in meters squared. assume that the mean bmi in
Salaries upon graduating than are graduates of other programs. Describe a statistical experiment that could help test your belief.
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