d 154967 1scourse.id 71008 1content.id37447931step Resources Remaining Time: 1 h

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d 154967 1scourse.id 71008 1content.id37447931step Resources Remaining Time: 1 hour, 24 minutes, 45 seconds Question Completion Status b Tutonalsinformation Edison E-Mal College Polices Resources Bb Tutorials QUESTION 5 points Questions 1-12 referto this data set ollowing data set was collected for a study of the relationship between respiratory function (measured by forced exploranory volume FEV. in Iters The data set contains data of t0 boys ages 11-18 their FEV measurements and whether or hot they smoke 15 NS 15 34 There are 3 ables n th dset ape FEV an Which ot the 3 variables are quantsative QUESTION

Explanation / Answer

Answer 1

we know that quantitative variables are those which have numerical values

In the question, only Age and FEV are given in terms of numerical value whereas Smoker/Non smoker is given as qualitative variable

so, there are only two quantitative variables which AGE and FEV

so, option A is correct

option B is incorrect because it includes S/NS which is not a quantitative variable

option C is incorrect because it includes S/NS which is not a quantitative variable

option D is incorrect because it is saying that all variables are quantitative which is incorrect statement.

so, only A is correct answer

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