Write a hypothesis using the following two variables: smoking habits and education
Write a hypothesis using the following two variables: smoking habits and education
Homework Answers
Ho : smoking and education are independent
Ha: smoking and education are not independent
We can use chi-square test of independence to test this hypothesis
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Write a hypothesis using the following two variables: smoking
habits and education
The following is a data table of lung cancer cases according to smoking habits Smoking Lung cance...
The following is a data table of lung cancer cases according to smoking habits Smoking Lung cancer Other causes Total 712 299 1011 Please fill in the following (round to the nearest hundredth) using the table above: 397 61 458 315 238 553 Yes No Total · Among smokers, p , odds odds- Among non-smokers, p- » Odds ratio (smokers versus non-smokers)-
The following is a data table of lung cancer cases according to smoking habits Smoking Lung cancer Other...
Smoking habits: A group of statistics students conducted a survey about smoking habits on campus to...
Smoking habits: A group of statistics students conducted a survey about smoking habits on campus to determine the proportion of students who believe that smoking hookah (a water pipe) is less harmful than smoking cigarettes. Of the 50 students surveyed, 45 think that smoking hookah is less harmful than smoking cigarettes. Which of the following is a reason that this group of students should not calculate a confidence interval for the proportion of all students who believe that smoking hookah...
Smoking remains more common in much of Europe than in the United States. In the United States, there is a strong relationship between education and smoking: well-educated people are less likely to smo...
Smoking remains more common in much of Europe than in the United
States. In the United States, there is a strong relationship
between education and smoking: well-educated people are less likely
to smoke. Does a similar relationship hold in France? Here is a
two-way table of the level of education and smoking status
(nonsmoker, former smoker, moderate smoker, heavy smoker) of a
sample of 462 French men aged 20 to 60 years. The subjects are a
random sample of men...
How are the smoking habits of students related to the smoking habits of their close family...
How are the smoking habits of students related to the smoking habits of their close family members? Here is a two-way table from a survey of male students in six secondary schools in a certain country. At Least One Close Family Member Smokes No Close Family Member Smokes Student Smokes 116 Student Does Not Smoke 205 75 As you can see, there is an association between smoking by close family members and smoking by high school students. The students are...
2.7 Smoking habits of UK residents, Part I. A survey was conducted to study the smoking...
2.7 Smoking habits of UK residents, Part I. A survey was conducted to study the smoking habits of UK residents. The histograms below display the distributions of the number of cigarettes smoked on weekdays and weekends, and they exclude data from people who identified themselves as non-smokers. Describe the two distributions and compare them. 100 . 6 10 20 30 40 Amount Weekends 50 60 10 50 - 20 30 40 Amount Weekdays
Question 3 A researcher is interested in the relationship between the birth weights of infants and mothers' smoking habits. He uses the birth weight of an infant (ounces) and the average n...
Question 3 A researcher is interested in the relationship between the birth weights of infants and mothers' smoking habits. He uses the birth weight of an infant (ounces) and the average number of cigarettes the mother smokes per day during the pregnancy as the dependent and independent variables, y and x, respectively. Using a sample of size (1388 the following model is obtained by the method of least squares: y-119.770.514.x (3.15) (0.13) SE e the figures in brackets are the...
Smoking remains more common in much of Europe than in the United States. In the United...
Smoking remains more common in much of Europe than in the United States. In the United States, there is a strong relationship between education and smoking: well-educated people are less likely to smoke. Does a similar relationship hold in France? Here is a two-way table of the level of education and smoking status (nonsmoker, former smoker, moderate smoker, heavy smoker) of a sample of 461 French men aged 20 to 60 years. The subjects are a random sample of men...
15.28 Asking about smoking habits. A 2012 Gallup survey of 1014 American adults asked participants about...
15.28 Asking about smoking habits. A 2012 Gallup survey of 1014 American adults asked participants about their smoking habits. Gallup has been conducting this survey yearly since 1944. The 2012 report was titled “In U.S., Smokers Light Up Less Than Ever,” reflecting the fact that only 1% of smokers in this latest survey stated that they smoke more than a pack a day. Gallup added the following comment to its report: It is possible that the decline in reports of...
The table below describes the smoking habits of a group of asthma sufferers. Occasional Regular Nonsmoker...
The table below describes the smoking habits of a group of asthma sufferers. Occasional Regular Nonsmoker Smoker Smoker Heavy Smoker Total Men 431 50 71 49 601 Women 382 48 86 39 555 Total 813 98 157 88 1156 If one of the 1156 people is randomly selected, find the probability that the person is a rhan or a heavy smoker. Write your answer as a decimal rounded to four places if necessary.
Find the indicated probability. The table below describes the smoking habits of a group of asthma...
Find the indicated probability. The table below describes the smoking habits of a group of asthma sufferers Light Heavy Nonmaker smoker smoker Total Men 357 40 374 Women 2 44 38 444 Total 75 878 If two different people are randomly selected from the 878 subjects, find the probability that they are both heavy smokers. Round to six decimal places O 0.007208 O 0.9928 0.0001778 O 0.001776 719
The following is a data table of lung cancer cases according to smoking habits Smoking Lung cancer Other causes Total 712 299 1011 Please fill in the following (round to the nearest hundredth) using the table above: 397 61 458 315 238 553 Yes No Total · Among smokers, p , odds odds- Among non-smokers, p- » Odds ratio (smokers versus non-smokers)-
The following is a data table of lung cancer cases according to smoking habits Smoking Lung cancer Other...
Smoking remains more common in much of Europe than in the United
States. In the United States, there is a strong relationship
between education and smoking: well-educated people are less likely
to smoke. Does a similar relationship hold in France? Here is a
two-way table of the level of education and smoking status
(nonsmoker, former smoker, moderate smoker, heavy smoker) of a
sample of 462 French men aged 20 to 60 years. The subjects are a
random sample of men...
How are the smoking habits of students related to the smoking habits of their close family members? Here is a two-way table from a survey of male students in six secondary schools in a certain country. At Least One Close Family Member Smokes No Close Family Member Smokes Student Smokes 116 Student Does Not Smoke 205 75 As you can see, there is an association between smoking by close family members and smoking by high school students. The students are...
2.7 Smoking habits of UK residents, Part I. A survey was conducted to study the smoking habits of UK residents. The histograms below display the distributions of the number of cigarettes smoked on weekdays and weekends, and they exclude data from people who identified themselves as non-smokers. Describe the two distributions and compare them. 100 . 6 10 20 30 40 Amount Weekends 50 60 10 50 - 20 30 40 Amount Weekdays
Question 3 A researcher is interested in the relationship between the birth weights of infants and mothers' smoking habits. He uses the birth weight of an infant (ounces) and the average number of cigarettes the mother smokes per day during the pregnancy as the dependent and independent variables, y and x, respectively. Using a sample of size (1388 the following model is obtained by the method of least squares: y-119.770.514.x (3.15) (0.13) SE e the figures in brackets are the...
Smoking remains more common in much of Europe than in the United States. In the United States, there is a strong relationship between education and smoking: well-educated people are less likely to smoke. Does a similar relationship hold in France? Here is a two-way table of the level of education and smoking status (nonsmoker, former smoker, moderate smoker, heavy smoker) of a sample of 461 French men aged 20 to 60 years. The subjects are a random sample of men...
The table below describes the smoking habits of a group of asthma sufferers. Occasional Regular Nonsmoker Smoker Smoker Heavy Smoker Total Men 431 50 71 49 601 Women 382 48 86 39 555 Total 813 98 157 88 1156 If one of the 1156 people is randomly selected, find the probability that the person is a rhan or a heavy smoker. Write your answer as a decimal rounded to four places if necessary.
Find the indicated probability. The table below describes the smoking habits of a group of asthma sufferers Light Heavy Nonmaker smoker smoker Total Men 357 40 374 Women 2 44 38 444 Total 75 878 If two different people are randomly selected from the 878 subjects, find the probability that they are both heavy smokers. Round to six decimal places O 0.007208 O 0.9928 0.0001778 O 0.001776 719
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