PRC-2 · Chapter 7 · Question 2 of 60
When constructing a grouped frequency distribution, what is the mathematical difference between the upper class boundary and the lower class boundary called?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: C) Class width
Explanation
The class width (or class interval size) is formally calculated as the mathematical difference between the exact upper class boundary and the lower class boundary of a specific group.
More Data - Collection and Representation MCQs
- Q4Which of the following graphical representations is specifically constructed by plotting cumulative frequencies?
- Q5A researcher conducts direct interviews with consumers to gather opinions on a new product. What type of data is being collected?
- Q6In a stem-and-leaf display, the 'stem' typically represents which part of the numerical data?
- Q7Given the class interval '40 - 49' in a continuous dataset, what is the exact midpoint (class mark)?
- Q8Which specific statistical measure can be visually estimated by locating the 50% mark on the y-axis of a cumulative frequency ogive?