In a city of weekly observations made in a study on the cost of loving index are given in the following tadraw a frequency polygon (without constructing histogram )

Explanation

To draw a frequency polygon based on the given data about the cost of living index, we will follow these steps:

### Step 1: Identify the Class Intervals and Frequencies
Assuming we have the following data (as the original data is not provided, this is an example):

| Class Interval | Frequency |
|----------------|-----------|
| 140 - 150 | 5 |
...