PRC-2 · Chapter 7 · Question 26 of 60
To find the precise class mark or mid-point of a grouped class, a researcher must:
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: B) Add the upper and lower limits and divide by two.
Explanation
The mid-point of a given class is calculated mathematically by taking the average of the upper and lower limits of that specific class.
More Data - Collection and Representation MCQs
- Q28If an observer wishes to convert discrete grouped data limits into continuous class boundaries, what mathematical adjustment is primarily…
- Q29Which data type is intrinsically countable rather than measurable?
- Q30When constructing an ogive, the cumulative frequency is traditionally plotted on which axis?
- Q31In a standard 'less than' cumulative frequency ogive, which specific values are plotted along the horizontal x-axis?
- Q32When constructing a box-and-whisker plot, the central rectangular 'box' visually represents which statistical measure?
