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Data is everywhere! It is all a matter of what you do with it that makes a difference. This discussion will allow you to look at a set of data, use some of the techniques found in Chapter 12 to analyze the data and discuss your conclusions with your classmates based on the statistics you develop. Evaluate a set of statistics (an excel spreadsheet with 50 unique sets of data is embedded at the end of this description--you must select one that has not previously been selected), construct a frequency distribution table (you can do this using the table icon in your rich text editor) and calculate the mean, mode, and standard deviation of the data. Develop a scenario that best represents the data you selected and discuss what the data is telling you in light of the fact of the scenario that you selected. For the title of your post use your last name and the data set that you selected.
if a data set has an even number of observations the mediana. is the average value of the two middle itemsb. is the
You suspect the distribution of the population is not Normal and may be moderately skewed. Which of the following statements is correct?
we know many types of data fall into a normal distribution with most of the observations falling toward the middle.
A new-car dealer is leasing various brand-new models for the monthly rates(in dollars) listed below. Estimate the true population variance and standard deviation in leasing rate with 90% confidence.
write a null and alternative hypothesis for the following reseach question is there relationship between student gender
Design a calculator simulation to estimate the probability described in (a). Describe your simulation method clearly enough so that a classmate could carry it out without further explanation from you.
Drug is effective on 89% of women and 65% of men. It is known that 66% of the people who take the drug are women. What is the probability that the drug is effective?
Let the random variable x represent the number that are not correctly calibrated. Find the mean and standard deviation for the random variable x.
We wish to know if, on the basis of these data, we may conclude that the mean systolic blood pressure for a population of African-American men is greater than 140.
Determine whether and how each of the following factors would shift the demand curve for chiropractic visits:
an airport limousine can accommodate up to four passengers on any one trip. the company will accept a maximum of six
let b and c be independent random variables uniformly distributed over 07 and 03 respectively. what is the probability
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