Mathematics, 27.04.2021 06:00, small77

7. A newspaper publisher wants to estimate the mean length of time all subscribers spend reading newspapers. To determine this estimate, the publisher takes a random sample of 15 people and
obtains the following times (in minutes):
11,9, 8, 10, 10, 9, 7, 11, 11, 7, 6, 9, 10, 8, 10
a. Construct and interpret the 90% and 95% confidence intervals.

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7. A newspaper publisher wants to estimate the mean length of time all subscribers spend reading n...