Q.2.71 - Elementary Statistics

Question

Use cutpoint grouping with the first cutpoint of $25$ and a class width of $3$.

Step-by-Step Solution

Answer

a). The frequency distribution,

b). Relative frequency distribution,

c). Frequency histogram,

Part (a) Step 1: Given Information

Given data:

Part (a) Step 2: Explanation

The frequency distribution of the given data;

Part (b) Step 1: Given Information

Given data:

Part (b) Step 2: Explanation

The relative frequency for the given data:

Part (c) Step 1: Given Information

Given data:

Part (c) Step 2: Explanation

The bars must be the same width and constrained by the lower class limitations.

The frequency must be reflected in the height of the bars.

The frequency distribution is represented by the histogram below: