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Please give an example on higher wages vs. education level using a sample population of 30 men and women.
Include the following:
1) Compute the measures of central tendency, dispersion, and skew for your data
2) Display your descriptive statistical data using graphic and tabular techniques
a) Line graph
b) Bar graph
3) Based on your measures of central tendency and graphs, discuss the best measures of central tendency and dispersion of your data. Justify your selection.
4) Conclusions
Discuss whether your research findings answered your problem statement (research question), or whether more research might be necessary.
Pick a random sample of 50 homes from the enclosed 90 cases. Double the asking price and selling price and use this data to develop three predictive models:
A bookcase contains 3 statistics books and 4 biology books. If 2 books are chosen at random, find the chance that both are statistics books.
Utilizing a binominal experiment, that is each trail can be reduced to two outcomes, construct a binomial distribution.
Risks and Odds in Everyday Life, James Burke claims that about 70 percent of all single men would welcome a woman taking the initiative in asking for a date. A random sample of 20 single men was asked if they would welcome a woman taking the initiati..
What is their maximum error of the estimated mean quality for a 92% level of confidence and an estimated standard deviation of 8?
At α = 0.10 test the claim that there is a difference in means of the salaries. (a) State the Hypotheses: (b) Compute the Test statistic: (Round off correctly)
Evaluate your histograms for any outliers in your data. Based on your evaluation of outliers, you may trim no more than 1% of the data contained in the data set. This must be done symmetrically (i.e., trimming no more than 0.5% off the top and 0.5..
Calculate the expected number of days it takes to get the order and standard deviation.
Developing the histogram and pie chart for the sample data.
Which distribution should be used to create 80% confidence interval?
An ANOVA procedure is used for data that was obtained from four sample groups each comprised of five observations. The degrees of freedom for the critical value of F are:
To find the necessary sample size to achieve the given level of accuracy of prediction.
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