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Create a 700- to 1,050-word paper describing the benefits of using statistical data in criminal justice. Special attention should be given to the following:
Sal's International Barbershop is a popular haircutting and styling salon near the campus of the University of New OrleansSal's International Barbershop
Analysis of variance (ANOVA) allows you to test for the statistical difference between two or more means. Typically, there are more than two means tested.
Explain the difference between the mean, the median, and the mode. Why and how would you use Chi-square and t –tests in hypothesis testing?
When should a researcher use a probability sampling method rather than a nonprobability method?
Determine the force in members GE, GC, and BC of the truss shown. Indicate whether the members are in tension or compression.
To measure the variance of job satisfaction, it is calculated that the SS = 120 for this sample. What are the degrees of freedom for the variance?
It takes 40 minutes on average for her to bake a cookie. What is the average number of cookies Cruz bakes an hour?
When two outcomes are mutually exclusive, they cannot occur together, but one or the other can occur (Privitera, 2015).
A study was done to explore the number of chocolate bars consumed by 16-year-old girls in a month's time. The results are shown below.
Each month the U.S. Bureau of Labor Statistics publishes a variety of unemployment statistics, including the number of individuals who are unemployed
What are the first few keystrokes in making a pie chart using SPSS?
A researcher conducts a test on the effectiveness of a cholesterol treatment on 114 total subjects. Assuming the tails of distributions are normal distribution
Explain why you have chosen the specific test statistic. Include in your discussion description of the test statistic.
Identify the types of variables you would need to conduct
Why is the mean an inappropriate measure of central tendency in each of the following cases: (a) gender of respondent (male or female); (b) marital status.
List the steps in statistical hypothesis testing. List the steps in “intuitive” hypothesis testing. How are they similar? How are they different?
Nick Thomas, CEO of Global Motors, has agreed with Cory Rogers of CMG Research to use an online survey to assess consumer demand for new energy-efficient car.
Do managers really have a large sample size bias? Because you cannot survey managers easily, this exercise will use surrogates.
Think about your work experiences. Have you ever witnessed the use of statistics at work? Perhaps statistics were used in monthly reports, in training
What are the implications for your own teaching and learning? Your philosophy of education?
What is multiple regression? Specifically, what is “multiple” about it, and how does the formula for multiple regression appear?
Indicate what the scatter diagram and probable regression line would look like for two variables that are correlated in each of the following ways.
Briefly describe the connections among the following: covariation, scatter diagram, correlation, and linear relationship.
If you use the standard deviation as a measure of the variability in a sample, what statistical assumptions have you implicitly adopted?