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A researcher questioned six students regarding their attitudes toward the legalization of prostitution (X) and their attitudes toward the legalization of marijuana (Y). Students answered on a 17 scale with 1 being least favorable attitude and 7 being most favorable attitude. The data are below: * What are the null and research hypotheses? *Create a scatter plot of the two variables. *Calculate the correlation coefficient and interpret the meaning of the correlation coefficient using your own words. (Do not worry about significance, as Excel does not easily calculate it.)
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Using Data > Data Analytics in Excel, do a linear regression for each type of car. Put this output on the same page as your scatter plot. NOTE: If your regression coefficients do not match the trend line equation for each car type, double check your work 7.Use Excel to calculate the correlation coefficient using the =CORREL command for each car type. Additionally,calculate the coefficient of determination for each car type as well. Put these values near your regression output. Do these values match what you found in your regression output?
Solved by Z. H. in 27 mins
Finding correlation between data points on excel
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check my spreadsheet for accuracy in computing covariance and correlation
Solved by C. F. in 26 mins
SOLVE FOR X IF THE COEFFICIENT ARE a=1, b=2 and c=3
Solved by Z. Y. in 15 mins