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Describe a situation where you might have an outlier in a data set. How will this outlier impact the result of each of these three measures of central tendency? Which one would you use to accurately describe the data set and why?
Critically Compare and Contrast the Two Main Research Approaches with Special Focus on their Differences - identify and critically describe the research designs
Find a 0.99 confidence interval for the mean claim payment. (Round your answers to two decimal places.)
Problem: 10.5% of the population is 65 or older. Find the probability that the following number of persons selected at random from 25 people are 65 or older.
What kind of sampling have you done (simple random sampling, stratified sampling, systematic sampling or cluster sampling)?
Suppose that on January 1 you have a balance of ?$4100 on a credit card whose APR is 18%, which you want to pay off in 1 year. Assume that you make
What causes of variation impact salary that we have not discussed yet?
Among a group of 165 students 8 are taking calculus, discrete structures, and computer science; 33 are taking calculus and computer science; 20 are taking calculus and discrete structures; 24 are taking discrete structures and computer science;
The analyst asked for a sample of 100 from each program and then measured their proficiency. The results are as follows.
perform a two sided hypothesis test to see if the mean is different from 32000 the curren mean sample size30 the sample
The Mathematics Department of the University of Louisville consists of8 professors, 6 associate professors, 13 assistant professors.
Comment on how the cost of medical care has changed between 1987 and 1993, relative to the change in the Consumer Price Index, which was 113.6 in 1987.
Suppose a sample of 35 surveys shows a sample mean of 17 minutes. Use = 4 minutes. Is the premium rate justified? Formulate the null and alternative hypotheses for this application.
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