8. Comparing two different datasets.a. Using Excel, plot the following datasets (A, B) as two scatterplots. Download an Excel spreadsheetwith the data here. Fit a linear trend line to each dataset and display the equation of the line. Copyand paste screenshots of the plots in the boxes below"BATree age(years)CircumferenceVolume of OilEnergy Combustion(centimeters).(ml)(kilojoules, kJ)6381003,23813501013,30016691123,52028831183,81530881244,015371021314,241431171434,530531791524,921641621534,953912711715,536983651866,032973551896,1191043451916,1841253431956,3131334881966,4461385092006,475A. screenshot of scatterplot:B. screenshot of scatterplot:b. Calculate the R2 value for each of the two data sets manually in Excel following steps in Toolkit 2B.Report 2 significant figures.A. R-squared valueB. R-squared valuec. Do data sets A or B have notable outliers (0) (yes/no)? By how many percentage points does the R2value decrease or increase when this/these outliers are removed? (ii)(0)(ii)

ANS)Scatter Plots Scatter Plots with Trend Line Equations R2 values Outliers For A --> Yes…

Answered: 8. Comparing two different datasets. a.…

Fundamentals of Information Systems

9th Edition

ISBN:9781337097536

Author:Ralph Stair, George Reynolds

Publisher:Ralph Stair, George Reynolds

Chapter6: Business Intelligence And Analytics

Section: Chapter Questions

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