Solution Found!

Statistics / Elementary Statistics 12 / Chapter 1.4 / Problem 17BSC

Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola

Change Question

identify which of these types of sampling is

Chapter 1, Problem 17BSC

(choose chapter or problem)

Get Unlimited Answers

QUESTION:

Problem 17BSC

identify which of these types of sampling is used: random, systematic, convenience, stratified, or cluster.

Testing Lipitor In a clinical trial of the cholesterol drug Lipitor, subjects were partitioned into groups given a placebo or Lipitor doses of 10 mg, 20 mg, 40 mg, or 80 mg. The subjects were randomly assigned to the different treatment groups (based on data from Pfizer, Inc.).

Questions & Answers

QUESTION:

Problem 17BSC

identify which of these types of sampling is used: random, systematic, convenience, stratified, or cluster.

Testing Lipitor In a clinical trial of the cholesterol drug Lipitor, subjects were partitioned into groups given a placebo or Lipitor doses of 10 mg, 20 mg, 40 mg, or 80 mg. The subjects were randomly assigned to the different treatment groups (based on data from Pfizer, Inc.).

ANSWER:

Answer :

Step 1 of 1 :

Study Tools You Might Need

Chapter: 15 Problem: 15.22

Classical Mechanics 0
A rocket is traveling at speed 0.9c along the x axis of frame 3. It shoots a bullet whose velocity v' (measured in the rocket's rest frame 3') is 0.9c along the y' axis of 3'. What is the bullet's velocity (magnitude and direction) as measured in 5?

Chapter: 3 Problem: 4

Campbell Biology in Focus - Standalone book 1
Which of the following statements concerning unsaturated fats is true? a. They are more common in animals than in plants. b. They have double bonds in the carbon chains of their fatty acids. c. They generally solidify at room temperature. d. They contain more hydrogen than do saturated fats having th

Chapter: 0 Problem: 2

Krugman's Economics for AP® (High School) 2
After each of the following events, will the supply curve for the good that is mentioned shift to the left, shift to the right, or remain unchanged? a. The coffee berry borer beetle destroys large quantities of coffee berries. b. Consumers demand more bike helmets than ever. c. The number of tea prod

Chapter: 5 Problem: 2

Psychology 5
The unconscious is at work when subliminal and unconscious processes influence thought and behavior. a. minimal b. repressive c. dynamic d. cognitive

Chapter: 14 Problem: 3

Psychology 1
At which stage of Selyes general adaptation syndrome is a person especially vulnerable to illness? a. exhaustion b. alarm reaction c. fight-or-flight d. resistance

Chapter: 12 Problem: 4

Urban Economics 8
In Figure 121 , suppose the total achievement curve can be described as Achievement , so the marginal-benefit curve for teachers can be described as marginal bene?t . a. Compute the ef?cient number of teachers for the following teacher wages: {6, 10}. b. Illustrate with a graph like the one sho

Chapter: 7 Problem: 4

Calculus - A New Horizon 6
State the two parts of the Fundamental Theorem of Calculus, and explain what is meant by the phmse "differentiation and integration are inverse processes.

Chapter: 3 Problem: 1

Differential Equations with Boundary-Value Problems 9
The population of a community is known to increase at a rate proportional to the number of people present at time t. If an initial population \(P_0\) has doubled in 5 years, how long will it take to triple? To quadruple?

Not The Solution You Need? Search for Your Answer Here:

×

Login

Login or Sign up for access to all of our study tools and educational content!

×

Register

Sign up for access to all content on our site!

Or login if you already have an account