VCU STAT 210 - Test 1 Practice Test #1 (3 pages)

Previewing page 1 of 3 page document View the full content.
View Full Document

Test 1 Practice Test #1



Previewing page 1 of actual document.

View the full content.
View Full Document
View Full Document

Test 1 Practice Test #1

49 views


Pages:
3
School:
Virginia Commonwealth University
Course:
Stat 210 - Basic Practice of Statistics
Basic Practice of Statistics Documents

Unformatted text preview:

Test 1 Practice Test 1 Robert Francis Bob McDonnell born June 15 1954 is a Republican politician and was the 71st Governor of Virginia McDonnell served on the executive committee of the Republican Governors Association was a lieutenant colonel in the United States Army served in the Virginia House of Delegates from 1992 to 2006 and was Attorney General of Virginia from 2006 to 2009 McDonnell was elected Governor of Virginia after using the campaign slogan Bob s for Jobs He defeated Democratic state Senator Creigh Deeds by a 17 point margin in the 2009 general election which was marked by the severe recession of the late 2000s The state s unemployment rate declined from 7 4 in January 2010 when McDonnell took office to 5 2 in December 2013 comparable to the decline in the national unemployment rate from 9 8 to 6 7 during the same period McDonnell s governorship ended with a 55 to 32 approval to disapproval rating among registered voters On January 21 2014 McDonnell and his wife Maureen were indicted on federal corruption charges edited from Wikipedia 1 During July and August of 2014 Bob and Maureen McDonnell have been on trial defending themselves of federal corruption charges Of interest is to determine the proportion of all current eligible voters in the Commonwealth of Virginia who feel Bob and Maureen McDonnell are guilty of the charges made against them Based on this information what is the population of interest 2 Based on the information in question 1 what is the parameter of interest 3 A sample of 798 current eligible voters in the Commonwealth of Virginia was selected and each voter was asked whether they were aware of the trial involving Bob and Maureen McDonnell In this sample 686 voters or approximately 86 indicated that they were aware of the trial In this scenario is 86 an example of a parameter or a statistic A Parameter B Statistic 4 To select the sample described in question 3 the following was done The Commonwealth of Virginia is divided into 95 counties and 38 independent cities For each of these 133 counties and cities six current eligible voters were randomly selected and asked whether they were aware of the trial involving Bob and Maureen McDonnell Each responded either Yes or No What type of sampling procedure is this an example of A Volunteer response sampling B Simple random sampling C Haphazard sampling D Multistage random sampling E Stratified random sampling 5 Consider the information in question 3 and the sampling procedure described in question 4 Suppose that out of the 798 current eligible voters in the Commonwealth of Virginia selected for the sample 56 voters living in southwest Virginia either could not be contacted or refused to answer What type of bias could this cause A Selection bias B Response bias C Nonresponse bias D Confounding bias 6 The statement from Wikipedia mentions that the unemployment rate in the Commonwealth of Virginia declined from 7 4



View Full Document

Access the best Study Guides, Lecture Notes and Practice Exams

Loading Unlocking...
Login

Join to view Test 1 Practice Test #1 and access 3M+ class-specific study document.

or
We will never post anything without your permission.
Don't have an account?
Sign Up

Join to view Test 1 Practice Test #1 and access 3M+ class-specific study document.

or

By creating an account you agree to our Privacy Policy and Terms Of Use

Already a member?