a. Bob is wondering about people that use the Love Library. Bob stands outside the library and asks people walking by into the library questions. b. Alice wants to know how 7th graders and 8th graders at Lemon Grove Middle school feel about mathematics they are learning. Alice gives numbers to each name of 7th and 8th graders learning mathematics. Alice uses these numbers to make an interval. With this interval, Alice uses a random number generator to produce the numbers, which will be associated to names. The names produced by this method will be the students Alice asks questions to. c. Bob wants to know certain things about people working for a company X. Bob goes to this company's location from 9am to 10am and asks every worker some questions. Bob also at 4pm to 5pm and asks every worker some questions. goes

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
Topic Video
Question
Explain the sample strategy and potential bias for these
a. Bob is wondering about people that use the Love Library. Bob stands outside the library and
asks people walking by into the library questions.
b. Alice wants to know how 7th graders and 8th graders at Lemon Grove Middle school feel
about mathematics they are learning. Alice gives numbers to each name of 7th and 8th graders
learning mathematics. Alice uses these numbers to make an interval. With this interval, Alice
uses a random number generator to produce the numbers, which will be associated to names. The
names produced by this method will be the students Alice asks questions to.
c. Bob wants to know certain things about people working for a company X. Bob goes to this
company's location from 9am to 10am and asks every worker some questions. Bob also goes at
4pm to 5pm and asks every worker some questions.
N
W
Transcribed Image Text:a. Bob is wondering about people that use the Love Library. Bob stands outside the library and asks people walking by into the library questions. b. Alice wants to know how 7th graders and 8th graders at Lemon Grove Middle school feel about mathematics they are learning. Alice gives numbers to each name of 7th and 8th graders learning mathematics. Alice uses these numbers to make an interval. With this interval, Alice uses a random number generator to produce the numbers, which will be associated to names. The names produced by this method will be the students Alice asks questions to. c. Bob wants to know certain things about people working for a company X. Bob goes to this company's location from 9am to 10am and asks every worker some questions. Bob also goes at 4pm to 5pm and asks every worker some questions. N W
99%
c. Bob wants to know certain things about people working for a company X. Bob goes to this
company's location from 9am to 10am and asks every worker some questions. Bob also goes at
4pm to 5pm and asks every worker some questions.
d. Bob didn't quite get the information he wanted about the previous company in that survey.
Bob reformats his questions before going back to the company. Bob goes to this company at no
specific time intervals and asks every third cubicle some questions.
Transcribed Image Text:99% c. Bob wants to know certain things about people working for a company X. Bob goes to this company's location from 9am to 10am and asks every worker some questions. Bob also goes at 4pm to 5pm and asks every worker some questions. d. Bob didn't quite get the information he wanted about the previous company in that survey. Bob reformats his questions before going back to the company. Bob goes to this company at no specific time intervals and asks every third cubicle some questions.
Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer
Knowledge Booster
Data Collection, Sampling Methods, and Bias
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.
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