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1. Calculate the sample size needed given these factors:
2. Calculate the sample size needed given these factors:
What does it mean for a sample to have a standard deviation of 0? Describe the scores in such a sample.
What is the probability that a customer will receive his meal in less than 10 minutes?
An alternative has a discounted project cost of $5,215,000 with no salvage value. The estimate was in constant dollars and the discounting used mid-year factors. While the period of analysis is 4 years, the alternative only provides benefits f..
Descriptives of a continuous variable: mean, median, skewness, kurtosis, standard deviation and graph of that variable Cross tabulation of two variables
Estimate the difference between the proportion of the population of low birth weight children and the proportion of the population of normal birth weight children who graduate from high school. Report a standard error for your estimate.
Resource-selection analysis compares the distributions of animals relative to the distribution of habitat. If the two don't agree, there is evidence of selection. A survey of 106 moose found that 24 were located in "In burn - interior," 22 in "..
How would you define the Wilcoxon Signed Rank Test?
Construct 90% and 95 % confidence intervals for the population proportion. Interpret the results and compare the widths of the confidence intervals. If convenient, use technology to construct the confidence intervals.
A manufacturer is evaluating options regarding his production equipment. He is trying to decide whether he should refurbish his old equipment for $70,000, make major modifications to the production line for $135,000, or purchase new equipment for $23..
write a report on simple data analysis and comparison.explain briefly how simple data analysis methods you are to use
The text tells us that a Pearson correlation coefficient is a measure of the strength and direction of a linear relationship between two variables. A scatter plot provides a visual representation of the relationship. Do not take examples from text.
A bakery produces muffins and doughnuts. Let x1 be the number of doughnuts produced and x2 be the number of muffins produced. The profit function for the bakery is expressed by the following equation: profit = 4x1 + 2x2 + 0.3x12 + 0.4x22. The bakery ..
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