This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Suppose you are comparing the proportion of people who successfully stopped smoking on each of two ... (Read 54 times)

tsand2

  • Hero Member
  • *****
  • Posts: 520
on: Jul 24, 2018
Suppose you are comparing the proportion of people who successfully stopped smoking on each of two different smoking cessation plans. You randomly assigned subjects to treatment, but you also collected data on each subject on a variety of measurement variables as well. How can this help you to verify that your randomization procedure worked?

Question 2

Journal articles often report means and standard deviations, and they also often report their results in the form (mean +/ standard deviation). Does this latter form represent a real confidence interval for the population mean? If yes, explain why. If not, tell what it does represent. (Assume the populations are bell-shaped.)


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kristenb95

  • Sr. Member
  • ****
  • Posts: 318
Reply #1 on: Jul 24, 2018
Answer to Question 1

YOU CAN LOOK AT THE MEANS AND STANDARD DEVIATIONS OF ALL THESE MEASUREMENT VARIABLES, AND COMPARE THEM FOR EACH OF THE TWO GROUPS STUDIED TO MAKE SURE THAT THESE VARIABLES WERE DISTRIBUTED EVENLY AMONGST THE GROUPS THROUGH YOUR RANDOMIZATION PROCESS.

Answer to Question 2

NO; THIS WOULD REPRESENT A RANGE WHERE 68 OF THE INDIVIDUALS IN THE POPULATION SHOULD FALL, ACCORDING THE EMPIRICAL RULE.


tsand2

  • Member
  • Posts: 520
Reply 2 on: Jul 24, 2018
YES! Correct, THANKS for helping me on my review

essyface1

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Ads from the public service campaign in the late 1960s and early 1970s that encouraged people to get ... Ads from the public service campaign in the late 1960s and early 1970s that encouraged people to get ...
As with smoking, drinking alcohol during pregnancy exposes the fetus to potentially toxic substances As with smoking, drinking alcohol during pregnancy exposes the fetus to potentially toxic substances
Comparing a Food Chain and a Food Web Comparing a Food Chain and a Food Web
After elections were held, it was desired to estimate the proportion of voters who regretted ... After elections were held, it was desired to estimate the proportion of voters who regretted ...
Survivorship curves for people in the United States in the early 20th and early 21st centuries Survivorship curves for people in the United States in the early 20th and early 21st centuries
Comparing uncontrolled and controlled energy release. Comparing uncontrolled and controlled energy release.
Video: Energy inputs and release in glycolysis Animation

For a complete list of videos, visit our video library