Question
Answer the questions using the data from this spreadsheet. https://docs.google.com/spreadsheets/d/1GCpTfGfRroFtQMx00-pIC5HDAZItAJls/edit?usp=sharing&ouid=105878208044637650378&rtpof=true&sd=true Show your work. a. Estimate SSxx, SSyy, and SSxy where x is the SAT Total
Answer the questions using the data from this spreadsheet.
https://docs.google.com/spreadsheets/d/1GCpTfGfRroFtQMx00-pIC5HDAZItAJls/edit?usp=sharing&ouid=105878208044637650378&rtpof=true&sd=true
Show your work.
a. Estimate SSxx, SSyy, and SSxy where x is the SAT Total and y is College GPA.
b. Estimate the slope parameter of the empirical model in part a.
c. Estimate the intercept parameter of the empirical model in part b.
e. Calculate the predicted GPA in column F in the spreadsheet.
f. Calculate the sum of squared errors (SSE).
g. Is there sufficient evidence to reject the null hypothesis of no relationship between GPA and SAT scores with a 5% rejection region? (Hint: calculate the z- or t-statistic first).
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Selling Today Partnering To Create Value
Authors: Gerald L. Manning
7th Canadian Edition
0133156850, 978-0133156850
