# Statistics Help

There are 195 sovereign countries in the world today that are officially recognized. One can choose to look at many types of data coming from these countries, as there is a plethora of existing information. For this assignment, you will be looking at populations of cities within Brazil at four different points in time (depending on when a census was taken). The data for these cities can be found in the file named [login to view URL]://[login to view URL]

Use all of the data points for each of the years given, but note that not every city has a population for each census.

Prepare a report (see below) using the numerical methods of descriptive statistics presented in this module to show how the populations of the cities vary over the years (growth rates). Be sure to include the following three (3) items in your report:

Compute descriptive statistics for each of the years along with an explanation of what the descriptive statistics tell us about the different years. Are the cities continually growing or is there a decrease in the number of people? The descriptive statistics will include the mean, mode, range, standard deviation, and the five-number summary (minimum, first quartile (Q1), median (Q2), third quartile (Q3), and maximum).

Determine which cities, if any, should be considered outliers in each of the years. If there are any outliers in any year, list them and state for which year each one is an outlier. Use the z-score method to determine outliers for this question showing the z-score calculations for each city and year in your spreadsheet.

Determine the correlation coefficient between the first year and each of the other years. Provide an explanation of these relationships. Show your calculations for each correlation coefficient within the spreadsheet.

Requirements:

The paper should be two pages and The body of your paper should address the questions posed in the problem. Explain how you approached and answered the question or solved the problem, and, for each question, show all steps involved. Be sure this is in paragraph format, not numbered answers like a homework assignment.

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