Frequency of individuals in 3 categories of smoking at baseline by age group. Age Group Extent...

Frequency of individuals in 3 categories of smoking at baseline by age group.

Age Group	Extent to Which People Smoke
Age Group	Non- Smoker	Light- Smoker	Heavy- Smoker
30-39	302	186	58
40-49	684	367	565
50-59	812	230	319

Im having trouble determining the type of study design, correct variables and variable types, as well as correct predictor and outcome variables.

Solutions

Expert Solution

(1)

Type of Study: One Way Analysis of Variance (ANOVA) to find out whether there is significant difference between mean Extent to Which People Smoke among the 3 Age Groups: 30 - 39, 40 - 49 and 50 - 59 as follows:

H0: Null Hypothesis: (There is no significant difference between mean Extent to Which People Smoke among the 3 Age Groups: 30 - 39, 40 - 49 and 50 - 59)

HA: Alternative Hypothesis: (There is a significant difference between mean Extent to Which People Smoke among the 3 Age Groups: 30 - 39, 40 - 49 and 50 - 59)

(2)

Correct Variablues:

Independent Variable: the 3 Age Groups: 30 - 39, 40 - 49 and 50 - 59. Variable type: Categorical

Dependent Variable: Extent to Which People Smoke Variable type: Quantitative

(3)

Predictor Variable: the 3 Age Groups: 30 - 39, 40 - 49 and 50 - 59. Variable type: Categorical

Outcome Variable: Extent to Which People Smoke Variable type: Quantitative

orchestra answered 1 year ago

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