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A random sample of 25 people employed by the florida state authority established they earned an average wage( including benefits ) of $65.00 per hour
a. what is the popular mean? what is the best estimate of the population mean ?
b.develop a 99% confidence interval for the population mean wage ( including benefits ) for this employees
c. how large a sample is needed to assess the population mean with an allowable error of $ 1.00 and 95% confidence?
A Gallup poll conducted during May 20 - 22, 2005, asked 1006 Americans, "During the past year, about how many books, either hardcover or paperback, did you read either all or part of the way through?" Results of the survey indicated that the me..
Consider the following situation: Data Set A: Average = $157 Standard Dev. = $84 Data Set B: Average = 34 oz. Standard Dev. = 21 oz
12) The time it takes to process phone orders in a small florist/gift shop is normallydistributed with a mean of 6 minutes and a standard deviation of 1.24 minutes.a. What cutoff value would separate the 2.5% of orders that take the most time ..
Specialization topic is employee management
1. listed below are the numbers of people executed in the united states from 1976 nbsp to 1994. in 1976 the u.s.
Calculate degrees of freedom and the critical values, or cutoffs, assuming a two-tailed test with a p level of 0.05, for each of the following designs: hours spent studying per week was correlated with credit-hour load for 72 students Twenty-seven co..
Confidence interval for the true proportion of the stores that violate the standard were not met. Determine the number of stores that must be sampled in order to estimate the true proportion to within 0.05 with 95% confidence using the large-sa..
If a person bought 1 share of Google stock within the last year, what is the probability that the stock on that day closed at less than the mean for that year? Hint: You do not want to calculate the mean to answer this one. The probability wou..
How would you describe the function of a generalized linear regression model?
In a regression analysis, a nurse researcher found a correlation of between pain relief scores and satisfaction with nursing care.
Tim is a plumber who joined a barter club. This year Tim exchanges plumbing services for a new roof. The roof is properly valued at $2,500, but Tim would have only billed $2,200 for the plumbing services. What amount of income should Tim reco..
Hypothesis test in the research hypothesis is specific about the difference but with no direction specified for the difference is a (n)?
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