Assignment 3 Stats 2

# G calculate the bonferroni margin of error for the

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stated that there is some minor interaction (in the form of intersecting points) due to shift. (g) Calculate the Bonferroni margin of error for the confidence intervals.

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Night - Morning Night - Afternoon Morning - Afternoon 5 4 3 2 1 0 -1 -2 -3 Shift If an interval does not contain zero, the corresponding means are significantly different. Bonferroni Simultaneous 95% CIs Differences of Means for Deviation 3 - 2 3 - 1 2 - 1 2 1 0 -1 -2 -3 Setting If an interval does not contain zero, the corresponding means are significantly different. Bonferroni Simultaneous 95% CIs Differences of Means for Deviation J=9 t**=0.05/2(9)= 0.00278 T critical =-3.148 MoE= t**( MSE ( 1 r + 1 r ) MoE= 3.148( 1 3 + 1 3 1.66 ¿ ¿ ) = 3.31 The 9 treatment means are: 20.50, 20.37, 20.30, 19.73, 19.40, 22.90, 19.60, 17.63, 22.87. By inspection, it is probable that the margin of error may be undervalued since the lowest deviation represented by the mean 17.63 is different by 5.24 from the highest value, 22.87.
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