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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.
Assume a random sample of 50 architects and engineers is selected. How likely is it that the random sample contain five or fewer women in these positions.
The mean of a normal probability distribution is 60; the standard deviation is 5.
Write up your results by using scientifically recognized form.
Obtain a test statistic and p-value assuming equal variances. Interpret these results.
Subjects at both sites were classified as dropouts if they left the study before the conclusion, or completers if they finished the study
Can we conclude that car size is dependent on marital status? YES or NO (circle one)
Variance of 4.2 and mean of 23.2 were calculated. Find out 95% confidence interval on mean and standard deviation. Describe any potential problems with this analysis.
Test the claim that the mean age of the prison population in one city is less than 26 years. Sample data are summarized as n = 25, x = 24.4 years, and s = 9.2 years. Use a significance level of α = 0.05.
Multiple choice question based on multiple regression - The coefficient of determination for this model is
Developing the histogram and pie chart for the sample data.
Suppose we select a sample of 40 tires and use a simulator to determine the tread life. What is the likelihood of finding that the sample mean is between 59,050 and 60,950?
A four-year university has decided to implement new approach to teaching Statistics. Full-time and adjunct professors were surveyed to determine whether they preferred the traditional lecture approach or a computer approach to teaching Statistics.
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