random sample of 1000 students. Respondents were classified by gender (male or female) and asked if she/he smoked. Results are shown in the contingency table below: smoke Not smoke Total Male 200 200 400 Female 250 350 600 Total 450 550 1000 Is there any relationship between the gender type and smoking? Use a 0.05 level of significance. Note: calculate the expected value, then calculate the chi-square.
random sample of 1000 students. Respondents were classified by gender (male or female) and asked if she/he smoked. Results are shown in the contingency table below: smoke Not smoke Total Male 200 200 400 Female 250 350 600 Total 450 550 1000 Is there any relationship between the gender type and smoking? Use a 0.05 level of significance. Note: calculate the expected value, then calculate the chi-square.
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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Apply the chi-square for this scenario:
An opinion poll surveyed a simple random sample of 1000 students. Respondents were classified by gender (male or female) and asked if she/he smoked. Results are shown in the
|
smoke |
Not smoke |
Total |
Male |
200 |
200 |
400 |
Female |
250 |
350 |
600 |
Total |
450 |
550 |
1000 |
Is there any relationship between the gender type and smoking? Use a 0.05 level of significance.
Note: calculate the
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