(15 points) A survey was conducted to study the smoking habits of UK residents.
ID: 3070050 • Letter: #
Question
(15 points) A survey was conducted to study the smoking habits of UK residents. Below is a data matrix displaying a portion of the data collected in this survey. Note that the values in amtWeekends and amtWeekdays are the number of cigarettes smoked per day, and "N/A" refers to a missing component of the data. genderage marital grosslncome smoke amtWeekends amtWeekdays 1 Female 42 Single Under 2,600 Yes 12 12 Male 44 Single 10,400 to 15,600 No N/A N/A etc. etc. etc etc. etc. etc etc. etc. 1691 Male 40Single 2,600 to 5,200 Yes 8 8 1. What does each row of the data matrix represent? O A. Each row represents a smoking habit in the study B. Each row represents one variable in the study C. Each row represents a range of values for income O D. Each row represents one case, that is, one individual or one UK resident. 2. How many participants were included in the study? 3. Indicate whether each variable in the study is numerical or categorical. If numerical, identify as continuous or discrete. If categorical, indicate if the variable is ordinal and? a. The variable gender is? b. The variable age is? c. The variable marital is ? d. The variable grossincome is? e. The variable smoke is? f. The variable amtWeekends is? g. The variable amtWeekdays is? and ? and and? and? and?Explanation / Answer
Que 1.
D) Each row represents one case, that is, one individual or one UK resident.
Que 2:
1691
Que 3:
a. Categorical and it is not ordinal but nominal.( i.e. contains two variables male and female).
b. Numerical and discrete.
c. Categorical and it is not ordinal but nominal ( i.e. contains two variables single and married).
d. Numerical and continuous.
e. Categorical and ordinal.
f. Numerical and discrete.
g. Numerical and discrete.
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