18-Carrefour Hypermarket wants to conduct a survey on customer satisfaction of different age group of people from the town it is located. The age groups and their population are given are as follows: 1700 are 11-20 years of age, 2500 are 21 – 30 years of age, 3700 are 31-40 years of age and 2100 are 41-50 years of age. It hypermarket wants to choose 1500 samples based on stratified sampling technique. Which one of the following are correct samples? a. 11 to 20 age - 255, 21 to 30 age -555, 31 to 40 age - 375, 41 to 50 age -315 b. 11 to 20 age - 315, 21 to 30 age - 555, 31 to 40 age - 375, 41 to 50 age - 255 c. 11 to 20 age – 255 , 21 to 30 age - 375, 31 to 40 age - 555, 41 to 50 age - 315 d. 11 to 20 age - 375, 21 to 30 age – 555 , 31
18-Carrefour Hypermarket wants to conduct a survey on customer satisfaction of different age group of people from the town it is located. The age groups and their population are given are as follows: 1700 are 11-20 years of age, 2500 are 21 – 30 years of age, 3700 are 31-40 years of age and 2100 are 41-50 years of age. It hypermarket wants to choose 1500 samples based on stratified sampling technique. Which one of the following are correct samples? a. 11 to 20 age - 255, 21 to 30 age -555, 31 to 40 age - 375, 41 to 50 age -315 b. 11 to 20 age - 315, 21 to 30 age - 555, 31 to 40 age - 375, 41 to 50 age - 255 c. 11 to 20 age – 255 , 21 to 30 age - 375, 31 to 40 age - 555, 41 to 50 age - 315 d. 11 to 20 age - 375, 21 to 30 age – 555 , 31
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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18-Carrefour Hypermarket wants to conduct a survey on customer satisfaction of different age group of people from the town it is located. The age groups and their population are given are as follows: 1700 are 11-20 years of age, 2500 are 21 – 30 years of age, 3700 are 31-40 years of age and 2100 are 41-50 years of age. It hypermarket wants to choose 1500 samples based on stratified sampling technique. Which one of the following are correct samples?
a.
11 to 20 age - 255, 21 to 30 age -555, 31 to 40 age - 375, 41 to 50 age -315
b.
11 to 20 age - 315, 21 to 30 age - 555, 31 to 40 age - 375, 41 to 50 age - 255
c.
11 to 20 age – 255 , 21 to 30 age - 375, 31 to 40 age - 555, 41 to 50 age - 315
d.
11 to 20 age - 375, 21 to 30 age – 555 , 31 to 40 age 315 , 41 to 50 age -255
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