Question: Refer to Exercise 4.77. Describe the sampling distribution for the sample sum yi. Is it unlikely (improbable) that yi would be more than 70 units

Refer to Exercise 4.77. Describe the sampling for the sample sum Σyi. Is it unlikely (improbable) that Σyi would be more than 70 units away from 960? Explain.
In exercise
A random sample of 16 measurements is drawn from a population with a mean of 60 and a standard deviation of 5. Describe the sampling of y-bar, the sample mean. Within what interval would you expect y to lie approximately 95% of the time?

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