7. The following is the Multiple Comparisons table for the above scenario. Which comparisons are significant? Tukey HSD results (95% level) 12-hour subtracted from Difference Lower Upper P-value 24-hour 5.5 1.5322987 9.4677013 0.007 36-hour 10 6.0322987 13.967701 <0.0001 24-hour subtracted from Difference Lower Upper P-value 36-hour 4.5 0.53229869 8.4677013 0.0256 A. The 12-hour vs 24 hour and 12-hour vs 36-hour groups are significantly different, but not the 24-hour vs 36-hour groups. B. The 12-hour vs. 36-hour group is significantly different, but the 12-hour vs 24-hour and 24-hour vs 36- hour groups are not significantly different. C. All comparison means (12-hour vs 24-hour, 12-hour vs 36-hour and 24-hour vs 36-hour) are significantly different from one another. D. There are no significant differences among the comparison groups.

7. The following is the Multiple Comparisons table for the above scenario. Which comparisons are significant? Tukey HSD results (95% level) 12-hour subtracted from Difference Lower Upper P-value 24-hour 5.5 1.5322987 9.4677013 0.007 36-hour 10 6.0322987 13.967701 <0.0001 24-hour subtracted from Difference Lower Upper P-value 36-hour 4.5 0.53229869 8.4677013 0.0256 A. The 12-hour vs 24 hour and 12-hour vs 36-hour groups are significantly different, but not the 24-hour vs 36-hour groups. B. The 12-hour vs. 36-hour group is significantly different, but the 12-hour vs 24-hour and 24-hour vs 36- hour groups are not significantly different. C. All comparison means (12-hour vs 24-hour, 12-hour vs 36-hour and 24-hour vs 36-hour) are significantly different from one another. D. There are no significant differences among the comparison groups.

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How to I tell if a comparison is significant just by looking at this table? Please explain, thanks.

7. The following is the Multiple Comparisons table for the above scenario. Which comparisons are
significant?
Tukey HSD results (95% level)
12-hour subtracted from
Difference
Lower
Upper
P-value
24-hour
5.5 1.5322987 9.4677013
0.007
36-hour
10 6.0322987 13.967701 <0.0001
24-hour subtracted from
Difference
Lower
Upper
P-value
36-hour
4.5 0.53229869 8.4677013 0.0256
A. The 12-hour vs 24 hour and 12-hour vs 36-hour groups are significantly different, but not the 24-hour
vs 36-hour groups.
B. The 12-hour vs. 36-hour group is significantly different, but the 12-hour vs 24-hour and 24-hour vs 36-
hour groups are not significantly different.
C. All comparison means (12-hour vs 24-hour, 12-hour vs 36-hour and 24-hour vs 36-hour) are
significantly different from one another.
D. There are no significant differences among the comparison groups.

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