Question

In computing descriptive statistics from grouped data, a. data values are treated as if they occur at the midpoint of a class. b. the grouped data result is more accurate than the ungrouped result. c. the grouped data computations are used only when a population is being analyzed. d. none of these alternatives is correct.

Answer 1

Answer: Option A: data values are treated as if they occur at the midpoint of a class

Explanation: In computing descriptive statistics from grouped data, data values are treated as if they occur at the midpoint of a class

Answer 2

Answer:A. Data values are treated as if they occur at the midpoint of a class

Explanation:Descriptive statistics is the process of describing or showing or summarising data in order to make it simple and easy to analyse or evaluate or draw conclusions from it. Descriptive statistics can be broadly categorized into four different categories which includes the following

Measurements of Frequency: such as Percent, Frequency. Etc

Measurements of Central Tendency. Mean, Median, and Mode.

Measurements of Dispersion such as Range, Variance, Standard Deviation.

Measurements of Position such as Quartile Ranks. Etc.

In computing,Descriptive statistics of grouped data values are treated as if they occur at the midpoint of a class.