If a psychologist tests whether there is any difference between how fast people

Question

If a psychologist tests whether there is any difference between how fast people in the morning versus how fast they work in the evening, the null hypothesis is that people who work in the morning work faster. people who work at night work faster. there is a difference in worker speed, but no prediction is made. there is no difference in the speed at which people work. The distribution that represents the situation in which the null hypothesis is true is the comparison distribution. the sample distribution.

Explanation / Answer

there is no difference in the speed, at which people work

Ho: different mean=0

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