Johnson and Leone describe an experiment to investigate warping of copper plates. The two factors studied were the temperature and the copper content of the plates. The response variable was a measure of the amount of warping. The data are as follows:
Hello,
To find the intraction of the data run Two way anova
ummary DataWithin each box:
Item 1 = N Item 2 =
X Item 3 = Mean
Item 4 = X2 Item 5 =
Variance
Item 6 = Std. Dev. Item 7
= Std. Err.
C1 | C2 | C3 | C4 | Tot. | |
R1 | 2 37 18.5 689 4.5 2.12 1.5 |
2 37 18.5 697 12.5 3.54 2.5 |
2 46 23 1060 2 1.41 1 |
2 55 27.5 1513 0.5 0.71 0.5 |
8 175 21.875 3959 18.7 4.32 1.53 |
R2 | 2 21 10.5 225 4.5 2.12 1.5 |
2 31 15.5 493 12.5 3.54 2.5 |
2 29 14.5 433 12.5 3.54 2.5 |
2 58 29 1690 8 2.83 2 |
8 139 17.375 2841 60.84 7.8 2.76 |
R3 | 2 28 14 400 8 2.83 2 |
2 39 19.5 765 4.5 2.12 1.5 |
2 48 24 1154 2 1.41 1 |
2 53 26.5 1429 24.5 4.95 3.5 |
8 168 21 3748 31.43 5.61 1.98 |
R4 | 2 38 19 730 8 2.83 2 |
2 44 22 970 2 1.41 1 |
2 45 22.5 1013 0.5 0.71 0.5 |
2 60 30 1802 2 1.41 1 |
8 187 23.375 4515 20.55 4.53 1.6 |
Tot. | 8 124 15.5 2044 17.43 4.17 1.48 |
8 151 18.875 2925 10.7 3.27 1.16 |
8 168 21 3660 18.86 4.34 1.54 |
8 226 28.25 6434 7.07 2.66 0.94 |
32 669 20.9063 15063 34.73 5.89 1.04 |
ANOVA Summary | |||||
Source | SS | df | MS | F | P |
Rows | 156.09 | 3 | 52.03 | 7.67 | 0.0021 |
Columns | 698.34 | 3 | 232.78 | 34.33 | <.0001 |
r x c | 113.79 | 9 | 12.64 | 1.86 | 0.1336 |
Error | 108.5 | 16 | 6.78 | ||
Total | 1076.72 | 31 |
Here is the p-value is larger that means there no intraction between the two variables
Critical Values for the Tukey HSD Test | |||
HSD[.05] | HSD=the absolute [unsigned] difference between any two means (row means, column means, or cell means) required for significance at the designated level: HSD[.05] for the .05 level. The HSD test between row means can be meaningfully performed only if the row effect is significant; between column means, only if the column effect is significant; and between cell means, only if the interaction effect is significant. | ||
Rows [4] | 3.73 | ||
Columns [4] | 3.73 | ||
Cells [16] | 10.4 | ||
The man diffreance between the 80 and 100 is 6.44 and for same HSD value is 3.75 , we reject the null hypothesis
and conclude that there is significant diffreance between the two copper values
Thanks
that means there is significant diffrance between the two mans
Johnson and Leone describe an experiment to investigate warping of copper plates. The two factors studied...
An experiment was conducted to investigate warping of copper plates. The two factors studied were the copper contents (A) and the temperature (B) of the copper plates. The response variable was a measure of the amount of warping. Using alpha-05. is main effect B significant? What are the values of Fo and Fert for B? Results at four (4) decimal places Response: warping in copper plates (mm) A: Copper content (9) B: Temperature (0 40 60 80 100 50 17...
Provide R code solution. Explanation and details. 4. Question 5.7. Johnson and Leone (Statistics and Experimental Design in Engineering and the Physical Sciences, Wiley, 1977) describe an experiment to investigate warping of copper plates. The two factors studied were the temperature and the copper content of the plates. The response variable was a measure of the amount of warping. The data were as follows: Copper Content (%) Temperature (C)40 100 17, 20 16,2 24. 22 28, 27 12.9 18, 13...
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