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Question 111

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Use the following to answer questions Use the following to answer questions -(Scenario II) Shown in Figure 6.2 are the mean and standard deviation of each group's performance.Based only on this figure,what can be concluded? A) The difference in the sample means is not statistically significant. B) The difference in the sample means is reliable. C) On average,the sleep-deprived group performed about as well as the control group. D) Participants in the sleep-deprived group behaved more variably than those in the control group.
-(Scenario II) Shown in Figure 6.2 are the mean and standard deviation of each group's performance.Based only on this figure,what can be concluded?


A) The difference in the sample means is not statistically significant.
B) The difference in the sample means is reliable.
C) On average,the sleep-deprived group performed about as well as the control group.
D) Participants in the sleep-deprived group behaved more variably than those in the control group.

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