Another random sample of the number of friends for 30 users of the website is shown. Use this sample to find another point estimate for μ. Find the sample mean. Estimate the mean number of friends of the population. Identify zc, n, and s. Find E using zc, ? ≈ s, and n. Interpret the results.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question

Another random sample of the number of friends for 30 users of the website is shown. Use this sample to find
another point estimate for μ.

Find the sample mean.

Estimate the mean number of friends of the population.

Identify zc, n, and s.

Find E using zc, ? ≈ s, and n.

Interpret the results.

Sample Data
Number of Friends
162 114 131 87 108
63
249 135 172 196 127 100
146 214
80 55
71
130
95 156 201
227 137
125
145 179
74 215 137 124
Transcribed Image Text:Sample Data Number of Friends 162 114 131 87 108 63 249 135 172 196 127 100 146 214 80 55 71 130 95 156 201 227 137 125 145 179 74 215 137 124
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 6 steps with 3 images

Blurred answer
Similar questions
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman