A chest physician observed that the distribution of forced expiration volume (FEV) in 300 smokers had a median value of 2.5 L with the 1st and 3rd quartiles being 1.5 & 4.5 L respectively. Base on this data now many persons in the sample are expected to have a FEV between 1.5 and 4.5 L:A chest physician observed that the distribution of forced expiration volume (FEV) in 300 smokers had a median value of 2.5 L with the 1st and 3rd quartiles being 1.5 & 4.5 L respectively. Base on this data now many persons in the sample are expected to have a FEV between 1.5 and 4.5 L:  mcq given below:


Q. A chest physician observed that the distribution of forced expiration volume (FEV) in 300 smokers had a median value of 2.5 L with the 1st and 3rd quartiles being 1.5 & 4.5 L respectively. Base on this data now many persons in the sample are expected to have a FEV between 1.5 and 4.5 L:

(a) 75
(b) 150
(c) 225
(d) 300

 

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