A researcher studying the sleep habits of teens will select a random sample of nn teens from the population to survey. The researcher will construct a tt-interval to estimate the mean number of hours of sleep that teens in the population get each night. Which of the following is true about the tt-distribution as the value of nn decreases from 40 to 20 ? The center decreases, and the area in the tails of the distribution increases.AThe center increases, and the area in the tails of the distribution decreases.BThe center remains constant, and the area in the tails of the distribution remains constant.CThe center remains constant, and the area in the tails of the distribution decreases.DThe center remains constant, and the area in the tails of the distribution increases.E

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Description: A researcher studying the sleep habits of teens will select a random sample of nn teens from the population to survey. The researcher will construct a tt-interval to estimate the mean number of hours of sleep that teens in the population get each nig

Properties of t-distribution: The t-distribution curve changes with the change of degrees of…

Answered: A researcher studying the sleep habits…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A researcher studying the sleep habits of teens will select a random sample of nn teens from the population to survey. The researcher will construct a tt-interval to estimate the mean number of hours of sleep that teens in the population get each night. Which of the following is true about the tt-distribution as the value of nn decreases from 40 to 20 ?

The center decreases, and the area in the tails of the distribution increases.

A
The center increases, and the area in the tails of the distribution decreases.

B
The center remains constant, and the area in the tails of the distribution remains constant.

C
The center remains constant, and the area in the tails of the distribution decreases.

D
The center remains constant, and the area in the tails of the distribution increases.

E

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