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In an experiment to determine the effectiveness of sleep-inducing drugs, 18 insomniacs were randomly assigned to three treatments: 1. placebo (no drug) 2. standard drug 3. new experimental drug The researchers wish to make official recommendations on the sleep aids. Which sleep aid(s) should be recommended? Use a 0.05 signifigance level.

In an experiment to determine the effectiveness of sleep-inducing drugs, 18 insomniacs were randomly assigned to three treatments: 1. placebo (no drug) 2. standard drug 3. new experimental drug The researchers wish to make official recommendations on the sleep aids. Which sleep aid(s) should be recommended? Use a 0.05 signifigance level.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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7. In an experiment to determine the effectiveness of sleep-inducing drugs, 18 insomniacs were randomly assigned to three treatments:

1. placebo (no drug)

2. standard drug

3. new experimental drug

The researchers wish to make official recommendations on the sleep aids. Which sleep aid(s) should be recommended? Use a 0.05 signifigance level.

 

Response hrssleep AWhole Model AO trtment Actual by Predicted Plot Leverage Plot 11 11 10 10 9 9. 8 8 4 3 3 4 5 6 7 8 9 10 11 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 hrssleep Predicted RMSE=1.05 RSq=0.67 trtment Leverage, P=0.0003 PValue=0.0003 A Least Squares Means Table D Effect Summary Least A Residual by Predicted Plot Level Sq Mean Std Error Mean 4.9833333 0.42864990 4.98333 3.0 2.5 b 7.9500000 0.42864990 7.95000 2.0 1.5 7.7666667 0.42864990 7.76667 1.0 0.5 0.0 -0.5 -1.0 -1.5 3 4 7 8 9. 10 11 hrssleep Predicted Summary of Fit 0.66727 RSquare RSquare Adj Root Mean Square Error Mean of Response 0.622906 1.049974 6.9 Observations (or Sum Wgts) 18 Analysis of Variance Sum of Source DF Squares Mean Square F Ratio Model 2 33.163333 16.5817 15.0408 Error 15 16.536667 1.1024 Prob > F C. Total 17 49.700000 0.0003* D Parameter Estimates A Effect Tests Sum of Source Nparm DF Squares F Ratio Prob > F trtment 2 33.163333 15.0408 0.0003* hrssleep Residual hrssleep Actual hrssleep Leverage Residuals
Transcribed Image Text:Response hrssleep AWhole Model AO trtment Actual by Predicted Plot Leverage Plot 11 11 10 10 9 9. 8 8 4 3 3 4 5 6 7 8 9 10 11 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 hrssleep Predicted RMSE=1.05 RSq=0.67 trtment Leverage, P=0.0003 PValue=0.0003 A Least Squares Means Table D Effect Summary Least A Residual by Predicted Plot Level Sq Mean Std Error Mean 4.9833333 0.42864990 4.98333 3.0 2.5 b 7.9500000 0.42864990 7.95000 2.0 1.5 7.7666667 0.42864990 7.76667 1.0 0.5 0.0 -0.5 -1.0 -1.5 3 4 7 8 9. 10 11 hrssleep Predicted Summary of Fit 0.66727 RSquare RSquare Adj Root Mean Square Error Mean of Response 0.622906 1.049974 6.9 Observations (or Sum Wgts) 18 Analysis of Variance Sum of Source DF Squares Mean Square F Ratio Model 2 33.163333 16.5817 15.0408 Error 15 16.536667 1.1024 Prob > F C. Total 17 49.700000 0.0003* D Parameter Estimates A Effect Tests Sum of Source Nparm DF Squares F Ratio Prob > F trtment 2 33.163333 15.0408 0.0003* hrssleep Residual hrssleep Actual hrssleep Leverage Residuals
* datatab_6_33 - JMP File Edit Tables Rows Cols DOE Analyze Graph Tools View Window Help O datatab_6_33 > Source trtment hrssleep 1 a 5.6 2 a 5.7 3 a 5.1 4 a 3.8 5 a 4.6 a 5.1 7 b 8.4 Columns (2/0) b 8.2 trtment hrssleep 9 b 8.8 10 b 7.1 11 b 7.2 12 b 8 13 c 10.6 14 c 6.6 15 c 8 16 c 8 17 c 6.8 18 c 6.6 ORows All rows 18 Selected Excluded Hidden Labelled
Transcribed Image Text:* datatab_6_33 - JMP File Edit Tables Rows Cols DOE Analyze Graph Tools View Window Help O datatab_6_33 > Source trtment hrssleep 1 a 5.6 2 a 5.7 3 a 5.1 4 a 3.8 5 a 4.6 a 5.1 7 b 8.4 Columns (2/0) b 8.2 trtment hrssleep 9 b 8.8 10 b 7.1 11 b 7.2 12 b 8 13 c 10.6 14 c 6.6 15 c 8 16 c 8 17 c 6.8 18 c 6.6 ORows All rows 18 Selected Excluded Hidden Labelled
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