/*! 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} Q3-19BSC In Exercises 9鈥20, identify wh... [FREE SOLUTION] | 91影视

91影视

In Exercises 9鈥20, identify which of these types of sampling is used: random, systematic, convenience, stratified, or cluster.

Literary Digest Poll In 1936, Literary Digest magazine mailed questionnaires to 10 million people and obtained 2,266,566 responses. The responses indicated that Alf Landon would win the presidential election. He didn鈥檛.

Short Answer

Expert verified

Convenience sampling

Step by step solution

01

Given information

The method used for gathering responses was through questionnaires that were mailed to 10 million people. Of these, 2,266,566 people responded.

02

Step 2:Identify the method of sampling

Convenience sampling collects data through the easiest method, based on any situation. These are collected from sources conveniently available.

In this case, mailing 10 million questionnaires and then analyzing the set of 2,266,566 responses to derive a conclusion is an example of convenience sampling.

Thus, the sampling method is convenience sampling.

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

What鈥檚 Wrong? In Exercises 25鈥28, identify what is wrong.

The electronic cigarette maker V2 Cigs sponsored a poll showing that 55% of

smokers surveyed say that they feel ostracized 鈥渟ometimes,鈥 鈥渙ften,鈥 or 鈥渁lways.鈥

Parameter and Statistic In a Harris Interactive survey of 2276 adults in the United States, it was found that 33% of those surveyed never travel using commercial airlines. Identify the population and sample. Is the value of 33% a statistic or a parameter?

Statistical Significance and Practical Significance. In Exercises 13鈥16, determine whether the results appear to have statistical significance, and also determine whether the results appear to have practical significance.

Diet and Exercise Program In a study of the Kingman diet and exercise program, 40 subjects lost an average of 22 pounds. There is about a 1% chance of getting such results with a program that has no effect

In Exercises 21鈥24, refer to the data in the table below. The entries are white blood cell counts (1000 cells,ML) and red blood cell counts (million cells,ML) from male subjects examined as part of a large health study conducted by the National Center for Health Statistics. The data are matched, so that the first subject has a white blood cell count of 8.7 and a red blood cell count of 4.91, and so on.

Context Given that the data are matched and considering the units of the data, does it make sense to use the difference between each white blood cell count and the corresponding red blood cell count? Why or why not?

Falsifying Data A researcher at the Sloan-Kettering Cancer Research Center was once criticized for falsifying data. Among his data were figures obtained from 6 groups of mice, with 20 individual mice in each group. The following values were given for the percentage of successes in each group: 53%, 58%, 63%, 46%, 48%, 67%. What鈥檚 wrong with those values?

See all solutions

Recommended explanations on Math Textbooks

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.