# Important information about Scatter Plot, Regression

Not what you're looking for?

1). In a study about postage tariffs and revenue, the European Economic Community wanted to look at the relationship between the number of postal employees in a country and the amount of domestic mail that was processed. They collected data for six different countries and found

Country Number of Staff Domestic Traffic

(Billions of pieces)

Germany 342,413 18.32

France 289,156 23.87

Italy 221,534 6.62

Britain 189,000 16.75

Spain 65,355 4.06

Sweden 52,251 4.21

(a). Create a scatter plot of the data and determine whether a linear relationship is appropriate.

(b). Find the regression equation for the data.

(c). The Netherlands employs 53,560 postal workers. Use the regression equation to predict the domestic mail traffic for the Netherlands.

(d). Calculate the values of the residuals for France and Germany.

##### Purchase this Solution

##### Solution Summary

Uses regression analysis to look at the relationship between the number of postal employees in a country and the amount of domestic mail that was processed.

##### Purchase this Solution

##### Free BrainMass Quizzes

##### Know Your Statistical Concepts

Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.

##### Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.

##### Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

##### Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.