CK-12 Probability and Statistics - Advanced
9.3. Inferences about Regression http://www.ck12.org regression model would be highly inaccurate. Therefore, when we estimate a ...
http://www.ck12.org Chapter 9. Regression and Correlation Sb= ( sy∗x √ SSx ) = ( . 56 √ 123. 83 ) = 0. 05 t= b−β sb = 0. 635 − 0 ...
9.3. Inferences about Regression http://www.ck12.org z= Y−Yˆ sXY Since we have a certain predicted value for every value ofX, th ...
http://www.ck12.org Chapter 9. Regression and Correlation Yˆ=the predicted score tcv=critical value oftford f(n− 2 ) sY=standard ...
9.3. Inferences about Regression http://www.ck12.org For each predicted value, we have a normal distribution (also known as the ...
http://www.ck12.org Chapter 9. Regression and Correlation Review Answers The predictor variable is the number of years of forma ...
9.4. Multiple Regression http://www.ck12.org 9.4 Multiple Regression Learning Objectives Understand the multiple regression equ ...
http://www.ck12.org Chapter 9. Regression and Correlation When predicting values using multiple regression, we can also use the ...
9.4. Multiple Regression http://www.ck12.org rY 2 =correlation between the criterion variables(Y)and the second predictor variab ...
http://www.ck12.org Chapter 9. Regression and Correlation TABLE9.13:(continued) Temperature(F) Practice Time (Hrs) H 2 OConsumpt ...
9.4. Multiple Regression http://www.ck12.org In this excerpt, we have a number of summary statistics that give us information ab ...
http://www.ck12.org Chapter 9. Regression and Correlation Standard Error of a Coefficient and Testing for Significance In additi ...
9.4. Multiple Regression http://www.ck12.org Texas Instrument Website that includes supplemental activities and practice proble ...
http://www.ck12.org Chapter 9. Regression and Correlation Review Answers There are 3 predictor values – Test 1, Test 2 and Test ...
http://www.ck12.org CHAPTER 10 Chi-Square Chapter Outline 10.1 The Goodness-of-Fit Test 10.2 TEST OFINDEPENDENCE 10.3 TESTINGONE ...
http://www.ck12.org Chapter 10. Chi-Square 10.1 The Goodness-of-Fit Test Learning Objectives Understand the difference between ...
10.1. The Goodness-of-Fit Test http://www.ck12.org Example: We would use the Chi-Square Goodness-of-Fit test to evaluate if ther ...
http://www.ck12.org Chapter 10. Chi-Square Features of the Goodness-of-Fit Test As mentioned, the Goodness-of-Fit test is used t ...
10.1. The Goodness-of-Fit Test http://www.ck12.org Alternative Hypothesis(Ha:O) 6 =E(there is a statistically significant differ ...
http://www.ck12.org Chapter 10. Chi-Square X^2 =∑ i ( (^0) i−Ei)^2 Ei where: X^2 =Chi-Square statistical value O=observed freque ...
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