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Using the first 15 respondents: (a) Create a cross-tab for any two variables you like. (You can break a vari into categories if you like.) (b) Create a bar graph for those same two variables. (You can break into categories if you like.) (c) Create a scatterplot for any two continuous (ratio or interval) variables hand or on a computer program. (For this, do not break the variables into categories.)

Using the first 15 respondents: (a) Create a cross-tab for any two variables you like. (You can break a vari into categories if you like.) (b) Create a bar graph for those same two variables. (You can break into categories if you like.) (c) Create a scatterplot for any two continuous (ratio or interval) variables hand or on a computer program. (For this, do not break the variables into categories.)

MATLAB: An Introduction with Applications
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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Country Region Data Year ClassGrade Gender Ageyears Handed USA PA 2012 12 Male 17 USA VA 2015 11 11 Male 16 Female 17 USA SC 2013 USA NC 2015 11 Female 16 USA IL 2013 12 Male 17 USA SC 2011 11 Male 15 USA TX 2012 12 Male 16 USA ΝΗ 2015 12 Male 17 Female 18 USA VA 2015 12 USA OK 2014 11 Female 16 USA GA 2013 11 USA GA 2015 12 USA IL 2015 10 Male USA NC 2014 10 Male USA MI 2013 12 Male USA IN 2011 12 USA NC 2015 USA IA 2014 2015 12 11 12 11 USA WI USA IA 2014 USA CA 2015 Female 17 Male 17 16 16 17 Male 18 Male 17 Female 18 Female 17 Female 17 Male 16 Male 14 Female 16 Female 17 Female 17 Female 18 Male 17 Female 18 Male 15 Male 17 Female 17 USA NJ 2011 USA CA 2015 USA IA 2015 2015 USA 12 10 11 12 12 12 12 12 12 12 PA USA GU 2014 USA DE 2014 USA AL 2015 USA CA 2013 2014 USA PA USA AZ 2010 12 LIGA ากา Height_cm Footlength_cm Armspan_cm Languages_spoken Travel_to_School 29 184 2 Car 27 1 Car 24 163 1 Bus 24 175 1 Car 27 165 1 Walk 1 Bus 30.48 180 1 Car 28 1 Car 25 147 2 Bus 23 155 1 Bus 24.5 171 2 Car 27 81 2 Car 80 1 Bus 186 1 Car 30 30 23 29.5 27 186.7 1 Car 183.5 1 Car 196 2 Car 26 181 1 Car 22 171 1 Car 24 161 1 Car 24 189 2 Bus 27 170 2 Car 23 157 2 Car 152 1 Car 165.1 2 Car 160 3 Car 22 24.9 23.5 27.94 26 25.5 31 190.5 1 Car 152.4 2 Bus 173 2 Walk 177 2 Car 17 175 1 Car Right-Handed 178 Right-Handed 175 Right-Handed 167 Right-Handed 178 Left-Handed 174 Right-Handed Right-Handed 180 Ambidextrous 185 Ambidextrous 152 Right-Handed 158 Right-Handed 169.5 Right-Handed 177 Right-Handed 172 Right-Handed 185 Right-Handed 180.3 Right-Handed 184 Right-Handed 180 Right-Handed 182 Right-Handed 164 Right-Handed 164 Right-Handed 187 Right-Handed 175 Right-Handed 157 Right-Handed 170 Right-Handed 177.8 Right-Handed 161 Left-Handed 177.8 Right-Handed 60 Right-Handed 177 Right-Handed 180 Right-Handed 175 Travel_time_to_School Reaction_time Score_in_memo 25 0.322 68 10 0.426 47 60 0.962 9 0.683 58 30.6 52 39 5 0.349 0.416 25 0.38 37 15 0.722 42 45 0.35 0.3 20 0.803 36 20 0.445 40 8 0.256 40 10 0.34 40 15 0.301 36 10 0.262 46 15 0.175 36 15 0.714 64 10 0.56 46 12 0.302 54 7 0.395 39 80 0.335 33 8 0.303 44 38 15 0.0368 10 0.542 33 10 0.332 46 10 0.518 39 30 0.763 41 20 0.783 43 30 0.301 39 30 0.33 38 15 0.51 43 0450 CA
Transcribed Image Text:Country Region Data Year ClassGrade Gender Ageyears Handed USA PA 2012 12 Male 17 USA VA 2015 11 11 Male 16 Female 17 USA SC 2013 USA NC 2015 11 Female 16 USA IL 2013 12 Male 17 USA SC 2011 11 Male 15 USA TX 2012 12 Male 16 USA ΝΗ 2015 12 Male 17 Female 18 USA VA 2015 12 USA OK 2014 11 Female 16 USA GA 2013 11 USA GA 2015 12 USA IL 2015 10 Male USA NC 2014 10 Male USA MI 2013 12 Male USA IN 2011 12 USA NC 2015 USA IA 2014 2015 12 11 12 11 USA WI USA IA 2014 USA CA 2015 Female 17 Male 17 16 16 17 Male 18 Male 17 Female 18 Female 17 Female 17 Male 16 Male 14 Female 16 Female 17 Female 17 Female 18 Male 17 Female 18 Male 15 Male 17 Female 17 USA NJ 2011 USA CA 2015 USA IA 2015 2015 USA 12 10 11 12 12 12 12 12 12 12 PA USA GU 2014 USA DE 2014 USA AL 2015 USA CA 2013 2014 USA PA USA AZ 2010 12 LIGA ากา Height_cm Footlength_cm Armspan_cm Languages_spoken Travel_to_School 29 184 2 Car 27 1 Car 24 163 1 Bus 24 175 1 Car 27 165 1 Walk 1 Bus 30.48 180 1 Car 28 1 Car 25 147 2 Bus 23 155 1 Bus 24.5 171 2 Car 27 81 2 Car 80 1 Bus 186 1 Car 30 30 23 29.5 27 186.7 1 Car 183.5 1 Car 196 2 Car 26 181 1 Car 22 171 1 Car 24 161 1 Car 24 189 2 Bus 27 170 2 Car 23 157 2 Car 152 1 Car 165.1 2 Car 160 3 Car 22 24.9 23.5 27.94 26 25.5 31 190.5 1 Car 152.4 2 Bus 173 2 Walk 177 2 Car 17 175 1 Car Right-Handed 178 Right-Handed 175 Right-Handed 167 Right-Handed 178 Left-Handed 174 Right-Handed Right-Handed 180 Ambidextrous 185 Ambidextrous 152 Right-Handed 158 Right-Handed 169.5 Right-Handed 177 Right-Handed 172 Right-Handed 185 Right-Handed 180.3 Right-Handed 184 Right-Handed 180 Right-Handed 182 Right-Handed 164 Right-Handed 164 Right-Handed 187 Right-Handed 175 Right-Handed 157 Right-Handed 170 Right-Handed 177.8 Right-Handed 161 Left-Handed 177.8 Right-Handed 60 Right-Handed 177 Right-Handed 180 Right-Handed 175 Travel_time_to_School Reaction_time Score_in_memo 25 0.322 68 10 0.426 47 60 0.962 9 0.683 58 30.6 52 39 5 0.349 0.416 25 0.38 37 15 0.722 42 45 0.35 0.3 20 0.803 36 20 0.445 40 8 0.256 40 10 0.34 40 15 0.301 36 10 0.262 46 15 0.175 36 15 0.714 64 10 0.56 46 12 0.302 54 7 0.395 39 80 0.335 33 8 0.303 44 38 15 0.0368 10 0.542 33 10 0.332 46 10 0.518 39 30 0.763 41 20 0.783 43 30 0.301 39 30 0.33 38 15 0.51 43 0450 CA
Using the first 15 respondents: (a) Create a cross-tab for any two variables you like. (You can break a varia into categories if you like.) (b) Create a bar graph for those same two variables. (You can break into categories if you like.) (c) Create a scatterplot for any two continuous (ratio or interval) variables I hand or on a computer program. (For this, do not break the variables into categories.) (d) Calculate the sample correlation and the sample covariance by hand for first 8 observations of the two variables you use in the scatterplot. Show all your work. (You can use a calculator for the algebra, but write out all of the equations.) (e) Using a computer program, calculate the regression line for your scatter Plot this line on the scatterplot. (This is fairly straightforward to do in excel, there are a number of websites that will explain how to do so.) You can also the line on a hand-drawn scatterplot if you prefer (though you will probably to use a computer program to calculate the equation). (f) Briefly describe the relationship between the two variables. Reference th meaning of the correlation, covariance, scatterplot, and regression line. You are welcome to draw the graphs by hand or use a computer program. If use the latter, please include all relevant code/function names so we know h you did it. 2. I surveyed 150 adults in the U.S. and asked them how many hours of TV th A iMessage A ebay *Pay C
Transcribed Image Text:Using the first 15 respondents: (a) Create a cross-tab for any two variables you like. (You can break a varia into categories if you like.) (b) Create a bar graph for those same two variables. (You can break into categories if you like.) (c) Create a scatterplot for any two continuous (ratio or interval) variables I hand or on a computer program. (For this, do not break the variables into categories.) (d) Calculate the sample correlation and the sample covariance by hand for first 8 observations of the two variables you use in the scatterplot. Show all your work. (You can use a calculator for the algebra, but write out all of the equations.) (e) Using a computer program, calculate the regression line for your scatter Plot this line on the scatterplot. (This is fairly straightforward to do in excel, there are a number of websites that will explain how to do so.) You can also the line on a hand-drawn scatterplot if you prefer (though you will probably to use a computer program to calculate the equation). (f) Briefly describe the relationship between the two variables. Reference th meaning of the correlation, covariance, scatterplot, and regression line. You are welcome to draw the graphs by hand or use a computer program. If use the latter, please include all relevant code/function names so we know h you did it. 2. I surveyed 150 adults in the U.S. and asked them how many hours of TV th A iMessage A ebay *Pay C
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