Answered: Listed below are speeds (mi/h)…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Topic Video

Question

100%

Listed below are speeds (mi/h) measured from traffic on a busy highway. This simple random sample was obtained at 3:30 P.M. on a weekday. Use the sample data to construct an 80% confidence interval estimate of the population standard deviation.

64,61,61,57,61,55,59,58,59,69,58,66

The confidence interval estimate is

___mi/h<σ<___mi/h.

(Round to one decimal place as needed.)

Does the confidence interval describe the standard deviation for all times during the week? Choose the correct answer below.

A. No. The confidence interval is an estimate of the standard deviation of the population of speeds at 3:30 on a weekday, not other times.

B. Yes. The confidence interval describes the standard deviation for all times during the week.

Expert Solution

Trending now

This is a popular solution!

Step by step

Solved in 3 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

$Hypothesis Tests and Confidence Intervals for Means$

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.

Similar questions