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3.1 Practice 1. A sign at a local business says, "Rate us with 5-stars on Google and get a $10 gift card!" The store manager reads the ratings to learn how people in the community feel about the business. a. What type of sample did the manager obtain? b. Explain why this sampling method is biased. eleme2 sleu10:$# borliem c. The manager finds that 92% of customers rate the business with 5 stars. Is 92% likely to be greater than or less than the percentage of all people in the community who truly believe the business deserves 5-stars? 2. To help reduce bias, the manager decides to survey the next 10 customers that make a purchase. a. What type of sample did the manager obtain? Jourvoine b. Explain why this sampling method is biased. 3. How could the manager avoid the bias described in Question 2? sesk adala

3.1 Practice 1. A sign at a local business says, "Rate us with 5-stars on Google and get a $10 gift card!" The store manager reads the ratings to learn how people in the community feel about the business. a. What type of sample did the manager obtain? b. Explain why this sampling method is biased. eleme2 sleu10:$# borliem c. The manager finds that 92% of customers rate the business with 5 stars. Is 92% likely to be greater than or less than the percentage of all people in the community who truly believe the business deserves 5-stars? 2. To help reduce bias, the manager decides to survey the next 10 customers that make a purchase. a. What type of sample did the manager obtain? Jourvoine b. Explain why this sampling method is biased. 3. How could the manager avoid the bias described in Question 2? sesk adala

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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3.1 Practice b. Explain why this sampling method is biased. 1. A sign at a local business says, "Rate us with 5-stars on Google and get a $10 gift card!” The store manager reads the ratings to learn how people in the community feel about the business. a. What type of sample did the manager obtain? SIEC ODSTOVE b. Explain why this sampling method is biased. 16 AP Statistics 10 c. The manager finds that 92% of customers rate the business with 5 stars. Is 92% likely to be greater than or less than the percentage of all people in the community who truly believe the business deserves 5-stars? 3. How could the manager avoid the bias described in Question 2? 03 St olamea xeleul :$# boniteM 2. To help reduce bias, the manager decides to survey the next 10 customers that make a purchase. a. What type of sample did the manager obtain? lave 100 boisM HT3M DALINMAS
Transcribed Image Text:3.1 Practice b. Explain why this sampling method is biased. 1. A sign at a local business says, "Rate us with 5-stars on Google and get a $10 gift card!” The store manager reads the ratings to learn how people in the community feel about the business. a. What type of sample did the manager obtain? SIEC ODSTOVE b. Explain why this sampling method is biased. 16 AP Statistics 10 c. The manager finds that 92% of customers rate the business with 5 stars. Is 92% likely to be greater than or less than the percentage of all people in the community who truly believe the business deserves 5-stars? 3. How could the manager avoid the bias described in Question 2? 03 St olamea xeleul :$# boniteM 2. To help reduce bias, the manager decides to survey the next 10 customers that make a purchase. a. What type of sample did the manager obtain? lave 100 boisM HT3M DALINMAS
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