Question: Figure 2.22 shows a similar study to that in Task 9, but the means were 10 (singing) and 10.01 (conversation), the standard deviations in both

Figure 2.22 shows a similar study to that in Task 9, but the means were 10 (singing) and 10.01 (conversation), the standard deviations in both groups were 3 and each group contained 1 million people. Compute the values of the confidence intervals displayed in the figure.

Time together (mins) 5 4 3 2 1 15 14 13 12

Time together (mins) 5 4 3 2 1 15 14 13 12 11 10 Conversation Singing Sample Time together (mins) 10.02 10.01 10.00 9.99 9.98 Conversation Sample Singing

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