/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Q 60. Effects of TV advertising Figure... [FREE SOLUTION] | 91影视

91影视

Log out

Learning Materials

Features

Discover

Chapter 4: Q 60. (page 254)

Effects of TV advertising Figure 4.3displays the six treatments for a two-factor experiment on TV advertising. Suppose we have 150students who are willing to serve as subjects. Describe how you would randomly assign the subjects to the treatments

(a) using slips of paper.

(b) using Table D.

(c) using technology.

Short Answer

Expert verified

(a) Write numbers 1-6on different piece of paper.

(b) Offer unique number from 001-150to each student.

(c) Allot specific number to each student ranging from1-150

Step by step solution

01

Given Information

There are six treatments for a two-factor experiment on TV advertising.

There are150students as subjects.

02

To explain the allocation of slips to subjects

  • Put the document of name slip in container and bend them.
  • Take it out.
  • Call first person and assign treatment 1.
  • Repeat the procedure till six assignment of treatment.
03

How to handle subjects arbitrarily with table D.

  • Allocate students from 001-150.
  • Chose table and read first 25numbers from them.
  • Remove all repeats till there are 25numbers.
  • Assign them treatment 1.
  • Repeat and allot treatment 2to other 25 numbers and likewise.
04

How to handle subjects arbitrarily with technology

  • Delegate total number of students.
  • Discard all repeats using Radiant Calculator Function.
  • Give treatment 1to first twenty five numbers.
  • Repeat it likewise.

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Over 30 million students worldwide already upgrade their learning with 91影视!

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

Do you trust the Internet? You want to ask a sample of high school students the question 鈥淗ow much do you trust information about health that you find on the Internet鈥攁 great deal, somewhat, not much, or not at all?鈥� You try out this and other questions on a pilot group of 5 students chosen from your class. The class members are listed at the top right.

(a) Explain how you would use a line of Table D to choose an SRS of 5 students from the following list. Explain your method clearly enough for a classmate to obtain your results.

(b) Use line 107 to select the sample. Show how you use each of the digits.

Chocolate and happy babies A University of Helsinki (Finland) study wanted to determine if chocolate consumption during pregnancy had an effect on infant temperament at age of 6 months. Researchers began by asking 305 healthy pregnant women to report their chocolate consumption. Six months after birth, the researchers asked mothers to rate their infants鈥� temperament, including smiling, laughter, and fear. The babies born to women who had been eating chocolate daily during pregnancy were found to be more active and 鈥減ositively reactive鈥濃�攁 measure that the investigators said encompasses traits like smiling and laughter.

(a) Was this an observational study or an experiment? Justify your answer.

(b) What are the explanatory and response variables?

(c) Does this study show that eating chocolate regularly during pregnancy helps produce infants with a good temperament? Explain.

Random digits Which of the following statements are true of a table of random digits, and which are false? Briefly explain your answers.

(a) There are exactly four 0s in each row of 40 digits.

(b) Each pair of digits has a chance 1/100 of being 00

(c) The digits 0000 can never appear as a group

because this pattern is not random.

Seat belt uses A study in El Paso, Texas, looked at seat belt use by drivers. Drivers were observed at randomly chosen convenience stores. After they left their cars, they were invited to answer questions that included questions about seat belt use. In all, 75% said they always used seat belts, yet only 61.5% were wearing seat belts when they pulled into the store parking lots.16 Explain the reason for the bias observed in responses to the survey. Do you expect bias in the same direction in most surveys about seat belt use?

How was your stay? A hotel has 30 floors with 40 rooms per floor. The rooms on one side of the hotel face the water, while rooms on the other side face a

golf course. There is an extra charge for the rooms with a water view. The hotel manager wants to survey 120 guests who stayed at the hotel during a convention about their overall satisfaction with the property.

(a) Explain why choosing a stratified random sample might be preferable to an SRS in this case. What would you use as strata?

(b) Why might a cluster sample be a simpler option? What would you use as clusters?
See all solutions

Recommended explanations on Math Textbooks

Mechanics Maths

Read Explanation

Probability and Statistics

Read Explanation

Logic and Functions

Read Explanation

Geometry

Read Explanation

Applied Mathematics

Read Explanation

Decision Maths

Read Explanation
View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.