**Confidence Interval Calculation for College Students' Texting Habits**A researcher is investigating the 90% confidence interval for the average number of times per day that college students send text messages. The research study involved 148 students, who sent an average of 41.1 texts per day. The sample's standard deviation was 16.4 texts. Answers should be rounded to three decimal places where applicable.**a.** To compute the confidence interval, use a t-distribution.**b.** With 90% confidence, the population mean number of texts per day is between ______ and ______ texts.Note: The calculations should involve determining the margin of error using the t-distribution and the standard deviation, then applying it to the sample mean to find the interval.

GIVEN DATA, CI=0.90α=1-0.90=0.10n=148df=n-1=148-1=147x¯=41.1s=16.4

Answered: A researcher is interested in finding a…

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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