Mathematics, 11.03.2021 22:10 kevinkingpin

A whale-watching company noticed that many customers wanted to know whether it was better to book an excursion in the morning or the afternoon.
To test this question, the company recorded the number of whales seen in the
morning and afternoon on 15 randomly selected days over the past month,
calculated differences between the observations in each pair (afternoon
minus morning), and then constructed a 95% confidence interval for the true
population mean difference.
What conclusion can you draw from the 95% confidence interval
(1.507, 1.307) for (8-4), the population mean difference?

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