Ch01 - CHAPTER1 WHATISSTATISTICS? MULTIPLECHOICEQUESTIONS...

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CHAPTER 1 WHAT IS STATISTICS? MULTIPLE CHOICE QUESTIONS In the following  multiple-choice questions, please circle the correct answer. 1. A student  who  is running  for student  council president  at a school with  an enrollment   of 50,000 students  decides  to conduct  a survey.  In the  survey,  62% of the  400 eligible   student  voters surveyed  say they plan  to vote for him. The population  of interest is the: a. 50,000 eligible student  voters b. 400 eligible student  voters interviewed c. 62 %, or 248 student  voters interviewed  who plan  to vote for him d. 38%, or 152 student  voters interviewed  who plan  not to vote for him ANSWER: a 1. A politician who  is running  for the office of governor  of a state with  3 million registered   voter   commissions   a   survey.   In   the   survey,   53.6%   of   the   5,000   registered   voters   interviewed  say they plan to vote for him. The population  of interest is the: e. 3 million registered  voters in the state f. 5,000 registered  voters interviewed g. 53.6 %, or 2,680 voters interviewed  who plan  to vote for him h. 46.4%, or 2,320 voters interviewed  who plan  not to vote for him ANSWER: a 2. A summary  measure  that  is computed  from  a sample  to describe a characteristic of the   population  is called a. a parameter b. a statistic c. a population d. Both a and  c since they are the same ANSWER: b 3. A summary  measure  that is computed  from a population  is called a. a parameter b. a statistic c. a population 1
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2 Chapter One d. Both a and  c since they are the same ANSWER: a 4. Descriptive statistics deals with  methods  of: a. organizing  data b. summarizing  data c. presenting  data in a convenient  and  informative way d. All of the above ANSWER: d 5. When  data  are collected  in a statistical study  for only a portion  or subset of all elements   of interest, we are using: a. a sample b. a parameter c. a population d. Both b and  c ANSWER: a 6. You asked  five of your  classmates  about  their height.  On  the basis of this information,  
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This document was uploaded on 10/25/2011 for the course LAPS 2320 at York University.

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Ch01 - CHAPTER1 WHATISSTATISTICS? MULTIPLECHOICEQUESTIONS...

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