Answer: B) Color of ink in a pen
Explanation:
Qualitative variables are the variable that are not measurement through numerical value .These values are not counted or measured for defined about something rather information is categorized.
Ink color in pen is qualitative variable because it is categorized as per the subject .It cannot be measured in numbers.
Other options are incorrect because individual's weight, number of children and miles are the the variables that are described in numerical form .So, these are quantitative variables.Thus, the correct option is option(B)
