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Sample SAS Assignment

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Physics    Sample SAS Assignment

Question:

1) Use the attached SAS output to do the following. [This output was generated from the SAS program lab5, which is available for you to run through putty. The syntax for the program also has been added to the end of this assignment.

    (a)   From the results labeled “emission control device comparison,” verify the analysis that
            you did earlier in problem 1.o objects have same temperature.

Answer: for the given data

                                                     emission control device comparison

ObsTypenox
0111.65
0211.78
0311.12
0411.26
0511.21
0611.89
0711.13
0811.35
0911.96
1011.70
1111.87
1211.14
1321.11
1421.06
1521.08
1621.09
1721.05
1821.15
1921.12
2021.14

                                                          
                                                        emission control device comparison 

                                                               The TTEST Procedure 

                                                                             Statistics


VariableTypeNLower CL MeanMeanUpper CL MeanLower CL Std DevStd DevUpper CL Std DevStd Err
nox1121.29371.5051.71630.23560.33250.56460.096
nox281.06971.11.13030.0240.03630.07380.0128
noxdiff(1-2)0.15480.4050.65520.19720.26090.38590.1191


                                                                            T-Tests                                                                  

VariableMethodVariancesDFt ValuePr>|t|
noxpooledEqual183.400.0032
noxSatterthwaiteUnequal11.44.180.0014



                                                                   Equality of Variances

VariableMethodNum DFDen DFF ValuePr > F
noxpooled F11784.13 <.0001






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