Statistics for Business & Economics, Revised (MindTap Course List)
Statistics for Business & Economics, Revised (MindTap Course List)
12th Edition
ISBN: 9781285846323
Author: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams, Jeffrey D. Camm, James J. Cochran
Publisher: South-Western College Pub
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Chapter 7, Problem 42SE

U.S. News & World Report publishes comprehensive information on America’s best colleges (America’s Best Colleges, 2009 ed.). Among other things, they provide a listing of their 133 best national universities. You would like to take a sample of these universities for a follow-up study on their students. Begin at the bottom of the third column of random digits in Table 7.1. Ignoring the first two digits in each five-number group and using the three-digit random numbers beginning with 959 read up the column to identify the number (from 1 to 133) of the first seven universities to be included in a simple random sample. Continue by starting at the bottom of the fourth and fifth columns and reading up if necessary.

Expert Solution & Answer
Check Mark
To determine

Identify the numbers of the first seven universities to be included in a simple random sample.

Answer to Problem 42SE

The random numbers correspond to first seven universities are 122, 99, 25, 55, 115, 102, and 61.

Explanation of Solution

Calculation:

A list of 133 best national universities are given.

Assign the numbers 1 to 133 for list of 133 best national universities. A simple random sample is formed by selecting 7 universities using the random number table.

Procedure to get 7 random digits is given below:

  • From the bottom of the 3rd column of table 7.1, ignoring the first two digits in each five-numbers, read up to the column. Ignore the numbers greater than 133.
  • The first number is 122.
  • Continue reading up the 3rd column to get the second number 99.
  • Similarly, read up the 4th and 5th columns to get remaining numbers.

Therefore, the random numbers that correspond to the seven universities are 122, 99, 25, 55, 115, 102, and 61.

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Chapter 7 Solutions

Statistics for Business & Economics, Revised (MindTap Course List)

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