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Statistical Summary and Article Critique
Your paper should in 500- 600 words 1) summarize the statistical methods that the researchers used in their article and 2) evaluate those statistical methods. Were the techniques they picked (correlation, hypothesis testing, regression, for example) appropriate? What limits to this approach are there? Are there other techniques they could have used instead?
They would like the margin of error of the 95% confidence interval for the proportion to be 0.05 or less. Use the guessed value p = 0.25 to find the required sample size.
A statistics instructor collected data on the time it takes the students to complete a test. The test taking time is uniformly distributed within a range of 35 minutes to 55 minutes.
for a one-tailed hypothesis test the critical z-value of the test statistic is -1.48. which of the following is true
Which is best describes a nonfinancial performance measure contained in most Balanced Scorecards? Which is describes how a master budget is used?
1. for each equation below identify what type of equation it is linear or exponential which variable is the independent
The probability is 90% that the sample percentage is contained within what symmetrical limits of the population percentage?
If H0 is in reality false and it is legitimate to use a directional H1, which of the following will yield a more powerful test? one-tailed alternative hypothesis
Probability based on a random experiment - What is the probability of not randomly generating your cousin's telephone number?
for each of the following questions explain whether a confidence interval for a mean response or a prediction interval
suppose a shipment of 50 cell phones has arrived from your supplier the samsing manufacturer. as the engineer for your
Develop a frequency distribution showing all frequencies, cumulative frequencies, and relative frequencie
question a researcher believes that the percentage of people who exercise in california is greater than the national
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