The following data is from a survey that was conducted in both 1996 and 2001. Did...

The following data is from a survey that was conducted in both 1996 and 2001. Did the rates of smoking differ from 1996 to 2001? *Smokers are defined as those who smoke every day. (Data from WSJ,

	1996		2001
Grade	Smokers*	Non smokers	Smokers*	Non smokers
8th	1,101	13,566	948	13,852
10th	2,107	12,560	2,054	12,834
12th	3,187	11,479	3,021	12,015

Solutions

Expert Solution

Let us analyze the data for 1996.

	1996
Grade	Smokers	Percentage	Non-smokers	Percentage
8th	1101	17.22	13566	36.07
10th	2107	32.95	12560	33.40
12th	3187	49.84	11479	30.53
Total	6395	100	37605	100

Let us now analyze the data for 2001.

	2001
Grade	Smokers	Percentage	Non-smokers	Percentage
8th	948	15.74	13852	35.79
10th	2054	34.10	12834	33.16
12th	3021	50.16	12015	31.05
Total	6023	100	38701	100

The number of 8th grade smokers has decreased 17.22 to 15.74%.

The number of 10th grade smokers has increased 32.95 to 34.10%.

The number of 12th grade smokers has increased 49.84 to 50.16%.

The number of 8th grade non-smokers has decreased 36.07 to 35.79%.

The number of 10th grade non-smokers has decreased 33.40 to 33.16%.

The number of 12th grade non-smokers has increased 30.53 to 31.05%.

Therefore, the rates of smoking differ from 1996 to 2001.

milcah answered 2 months ago

Next > < Previous

Related Solutions

The following data is from a survey that was conducted in both 1996 and 2001. Did...

The following data is from a survey that was conducted in both 1996 and 2001. Did the rates of smoking differ from 1996 to 2001? *Smokers are defined as those who smoke every day. State the Null and Alternative hypothesis. If possible, USING EXCEL, run a CHI square test. 1996 2001 Grade Smokers* Non smokers Smokers* Non smokers 8th 1,101 13,566 815 13,852 10th 2,107 12,560 1,833 12,834 12th 3,187 ...

Data The data from the Survey conducted at the beginning of our course about the entry,...

Data The data from the Survey conducted at the beginning of our course about the entry, Height reported in inches, are collected. Complete each of the problems below. 59 51.5 63 60 63 63 59 60 61 61.2 62 62 62 64 64.8 67.8 68 69 72 Determine both the position and value of each quartile. • Q1: • Q2: • Q3:

Suppose we have data from a health survey conducted in year 2000. Data were obtained from...

Suppose we have data from a health survey conducted in year 2000. Data were obtained from a random sample of 1000 persons. An OLS linear regression analysis was carried out in the following way: Dependent Variable: Systolic blood pressure (SBP, in mmHg) Independent Variables: Gender (1 if female, 0 if male) Age (in years) Education (binary variables for “Not graduated from high school” and “Graduated from high school (but not from college)”; the reference category is “Graduated from college”) A...

Data from field investigation: The survey conducted by getting information from various sources including the statistical...

Data from field investigation: The survey conducted by getting information from various sources including the statistical records in the respective ministries, municipality and mukhtars has resulted in a population figure of 85,600 persons at present residing in the town under design. Review of the previous statistics has shown that the average yearly rate at which the population has been steadily increasing is 1.75%. Further investigations from neighboring communities that lead similar sociological conditions and considering the water demanded by the...

In the 1996 General Social Survey, for males age 30 and over, the following was true...

In the 1996 General Social Survey, for males age 30 and over, the following was true about respondents: • 11% of those in the lowest income quantile were college graduates. • 19% of those in the second income quantile were college graduates. • 31% of those in the third income quantile were college graduates. • 53% of those in the highest income quantile were college graduates. Find P(Q1|G), the probability that a randomly selected college graduate falls in the lowest...

The following data has been extracted from the records of PURPLE plc at 31 March 2001;...

The following data has been extracted from the records of PURPLE plc at 31 March 2001; K Turnover 18,108,488 Cost of sales 16,471,616 Distribution costs 864,531 Administration expenses 1,494,228 Surplus on sale of fixed assets 11,054 Interest receivable 21,721 Losses due to seizure of imported sugar 351,890 Overdraft interest 139,001 Loan interest (Loan repayable 31 March 2009) 162,299 Corporation tax for the year 8,101 Dividends (interim 0.25p per share) 17,292 Transfer from reserves 1,389,105 You are also given the following...

A market survey was conducted in a city which numbers 16,000 homemakers. The survey was conducted...

A market survey was conducted in a city which numbers 16,000 homemakers. The survey was conducted to estimate the proportion of homemakers who could recognize the brand name of a cleanser based on the shape and color of the container. Of the 1,400 homemakers surveyed, 420 were able to identify the brand name. a. Using the 0.99 degree of confidence, the population proportion lies within what interval? b. An advertising firm claims that at least 30% of all homemakers can...

The following data represents the number of children born in individual pregnancies in 1996 and 2006:...

The following data represents the number of children born in individual pregnancies in 1996 and 2006: # of children 1996 frequency 2006 frequency one child 3671455 3971276 twins 100750 137085 triplets 5298 6118 quadruplets 560 355 quintuplets or more 81 67 A. Define the random variable x= number of children born in a single pregnancy in 1996 and develop a probablity distribution for the random variable. let x=5 represent quintuplets or more B. Compute expected value and variance for the...

Consider the data in the following table, obtained from a cohort study conducted by Iso and...

Consider the data in the following table, obtained from a cohort study conducted by Iso and colleagues [Isa H, Date C, Yamamoto A, et al. Smoking cessation and mortality from cardiovascular disease among Japanese men and women. The JACC study. Am J Epidmeiol. 2005;161(2):170-179.]. Total Cardiovascular Disease According to Smoking Status Disease Current Smoker Cases Person-years Yes 882 — 220,965 No 673 — 189,254 Calculate the rate ratio and corresponding 95% confidence interval for these data. Express your answer to...

The following data are taken from a study conducted by the National Park System, of which...

The following data are taken from a study conducted by the National Park System, of which Death Valley is a unit. The ground temperatures (°F) were taken from May to November in the vicinity of Furnace Creek. Compute the mean, median, mode,midrange,range, sample standard deviation and variance. 146 180 152 178 168 178 174 168 180 165 178 152 179 144

Subjects