UA Stat Quiz #11

docx

School

University of Alabama *

*We aren’t endorsed by this school

Course

211

Subject

Statistics

Date

Apr 3, 2024

Type

docx

Pages

Uploaded by MinisterCloverHeron37

Statistics Quiz #11 Introduction to Statistic Name: __________________ Quiz: Assignment #11 (Design of experiments) 1. Identify each of the following examples: Select from: SRS (simple random sample), Stratified RS , multistage RS , voluntary- response sample (a) Cosmopolitan Magazine invites readers to participate in a survey that assesses sexual attitudes and practices. (b) A set of random digits is used to select 10 members of the Alabama Crimson Tide football team to determine their attitude toward Nick Saban as a coach. (c) A small rural community has equal gender balance; 30% Catholic, 60% protestant, and 10% atheist/agnostic; 30% registered Republicans and 50% registered democrats and 20% unregistered. A poll draws randomly from these demographic groups (the total sample has an N = 200) and asks respondents their rating of Joe Biden as president. (d) A poll randomly selects six of the academic programs offered at The University of Alabama then randomly selects 20 students from each of the six programs and asks their opinion of Stuart Bell as UA president. 2. For questions 1-b, 1-c, and 1-d what is the population; what is the sample? (b) A set of random digits is used to select 10 members of the Alabama Crimson Tide football team to determine their attitude toward Nick Saban as a coach. Population: Sample: (c) A small rural community has equal gender balance; 30% Catholic, 60% protestant, and 10% atheist/agnostic; 30% registered Republicans, 50% registered democrats and 20% unregistered. A poll draws randomly from these demographic groups (the total sample has an N = 200) and asks respondents their rating of Joe Biden as president. Population: Sample: (d) A poll randomly selects six of the academic programs offered at The University of Alabama then randomly selects 20 students from each of the six programs and asks their opinion of Dr. Stuart Bell as UA president. Population: Sample: 3. What is wrong with the following survey questions? (a) What is your attitude toward anti-vaxers? Positive Negative (b) In light of the virulent racist attitudes in City A , do you favor stricter penalties on ethnic hate crimes? 1 2 3 4 5 6 7 disfavor mid favor (c) Are you a strong leader who enjoys exercising power over others? 1 2 3 4 5 6 7 disagree mid agree

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