The data are summarized in the following table. The variables are per capita cigarette consumption in 1930 (the independent variable, “X") and the death rate from lung cancer in 1950 (the dependent variable, “Y"). The cancer rates are shown for a later time period because it takes time for lung cancer to develop and be diagnosed. Country Cigarettes consumed per capita in 1930 (X) | million people in 1950 (Y) |Observation # Lung cancer deaths per 1 Switzerland Finland Great Britain 530 1115 1145 250 350 2 3 4 465 150 165 Canada 510 5 Denmark 380

The data are summarized in the following table. The variables are per capita cigarette consumption in 1930 (the independent variable, “X") and the death rate from lung cancer in 1950 (the dependent variable, “Y"). The cancer rates are shown for a later time period because it takes time for lung cancer to develop and be diagnosed. Country Cigarettes consumed per capita in 1930 (X) | million people in 1950 (Y) |Observation # Lung cancer deaths per 1 Switzerland Finland Great Britain 530 1115 1145 250 350 2 3 4 465 150 165 Canada 510 5 Denmark 380

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

100%

Note: please do not use functions like ‘Correl’ in Excel, please calculate sample slope with the formula, if you use a spreadsheet, attach a printout.

Thank you!

The data are summarized in the following table. The variables are per capita cigarette
consumption in 1930 (the independent variable, “X") and the death rate from lung cancer in 1950
(the dependent variable, “Y"). The cancer rates are shown for a later time period because it takes
time for lung cancer to develop and be diagnosed.
Country
Cigarettes consumed
per capita in 1930 (X)
530
1115
1145
Lung cancer deaths per
million people in 1950 (Y)
250
350
465
Observation #
Switzerland
Finland
Great Britain
1
2
3
4
Canada
Denmark
510
150
165
5
380

(10p) On graph paper or using a spreadsheet, graph the scatterplot of the five data points and
the regression line. Be sure to label the axes, the data points, the residuals, and the slope and
intercept of the regression line.

Definition Definition Relationship between two independent variables. A correlation tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.

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