Classify each describtion

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
icon
Concept explainers
Topic Video
Question

Classify each describtion. 

Classify each description as either an observational study or an experiment.
A scientist seeks to test the ability of a new glove to retain heat. The glove is randomly
placed on one hand of each participant, and an older model of the same product is placed
on the other hand.
A political scientist seeks to determine if women between the ages of 25 and 30 are more
likely than men of the same age to vote for a Democratic candidate. The scientist selects a
sample of voters from this age group to survey their political preference.
..... .....
Agricultural scientists seek to test the effects of a new pesticide on corn crops. Half of the
participating farmers are assigned the new pesticide and the other half continue using an
alternative pesticide. The crops are compared after two seasons.
Random homeowners in a particular city are divided into two groups, those that currently
use solar panels in their homes and those that do not. All participants are surveyed to
determine whether electric bills are lower for those with solar panels.
Transcribed Image Text:Classify each description as either an observational study or an experiment. A scientist seeks to test the ability of a new glove to retain heat. The glove is randomly placed on one hand of each participant, and an older model of the same product is placed on the other hand. A political scientist seeks to determine if women between the ages of 25 and 30 are more likely than men of the same age to vote for a Democratic candidate. The scientist selects a sample of voters from this age group to survey their political preference. ..... ..... Agricultural scientists seek to test the effects of a new pesticide on corn crops. Half of the participating farmers are assigned the new pesticide and the other half continue using an alternative pesticide. The crops are compared after two seasons. Random homeowners in a particular city are divided into two groups, those that currently use solar panels in their homes and those that do not. All participants are surveyed to determine whether electric bills are lower for those with solar panels.
A cancer study began by surveying male patients between the ages of 35 and 55 at a local
hospital about their exercise routine. The health of these men is tracked over 10 years to
determine the effect of exercise on lowering the risk of cancer.
Researchers studying how exercise affects cholesterol sample 50 people who exercise
regularly and 50 who do not. Blood was drawn from each person and serum cholesterol
was measured.
Answer Bank
experiment
observational study
Transcribed Image Text:A cancer study began by surveying male patients between the ages of 35 and 55 at a local hospital about their exercise routine. The health of these men is tracked over 10 years to determine the effect of exercise on lowering the risk of cancer. Researchers studying how exercise affects cholesterol sample 50 people who exercise regularly and 50 who do not. Blood was drawn from each person and serum cholesterol was measured. Answer Bank experiment observational study
Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer
Knowledge Booster
Sample space, Events, and Basic Rules of Probability
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