Question

For the following description of​ data, identify the​ W's, name the​ variables, specify for each variable whether its use indicates it should be treated as categorical or​ quantitative, and, for any quantitative​ variable, identify the units in which it was measured​ (or note that they were not​ provided). Are physically fit people less likely to die of​ cancer? Suppose a 2007 article in a sports medicine journal reported results of a study that followed 21 comma 761 men aged 25 to 88 for 15 years. The most physically fit men had a 58​% lower risk of death from cancer than the least fit group. A. The fitness level of the 21 comma 761 men in the study B. The cause of death for the 21 comma 761 men in the study C. The 21 comma 761 men in the study D. The age of each of the 21 comma 761 men in the study

Answer 1

Correct option:

C. The 21,761 men in the study

Answers to questions asked:

(1) Identify the W's:

(i) Who was measured: The 21,761 men in the study

(ii) What was measured: The fitness level of the 21,761 men in the study

(iii) When were thw measurements taken: for 15 years

(iv) Where were the measurements taken: Not provided

(v) Why were the measurements taken: To stusy whether physically fit people are less likly to die of cancer

(vi) How were the measurements taken: Not provided.

(2) Name of the variables:

(i) Variable 1: fitness level - Quantitative.

(ii) Variable 2: the cause of death - Qualitative