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Statistics question: Need formula to determine effective sample size using the power analysis which includes 1) significance level or alpha, (2) effect size, (3) power (standard of 0.80 or 80%), and (4) sample size. Need to be able to calculate effective sample size knowing only alpha, effective size and power.
Draw out what this would look like as a histogram and describe the shape of the distribution - what would look like as a histogram
Describes a positive linear relationship between X and Y
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..
Explain each sampling technique discussed in the "Visual Learner: Statistics" in your own words, and give examples of when each technique would be appropriate.
Determine the correlation coefficient. Find the predicted value of Y given X = 75. Give an interpretation of the predicted value in the context of the problem.
(1 point) According to data from the Tobacco Institute Testing Laboratory, a certain brand of cigarette contains an average of 1.4 milligrams of nicotine. An advocacy group questions this figure, and commissions an independent test to see if the the ..
Festival Histogram: Beginning with in the text on spotting outliers, correct the type in the data as directed - create a separate histogram for each day, Day1, Day2, and Day3, using the hygiene variable for all three days. Include the normal curve
To answer the question as to whether or not there is a difference in time to progression, a Chi square statistic is computed. The critical value for rejection of the null hypothesis is 3.84. The computed Chi square is 0.335.
1 labforensic collection and analysis of persistent datawrite up your lab experience including the necessary steps
Find the probability that there are exactly 2 prescriptions for this drug in a given week and find the probability that there are no more than 5 prescriptions for this drug in a given week.
Identify the type of study proposed and indicate its specific strengths and weaknesses and
A population proportion is to be estimated. Estimated the minimum sample size needed to achieve a margin of error E=0.01 with a 95% degree of confidence.
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