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A survey asked how many children people have. The survey results are given in the histogram above. Find the relative frequency of people who have 2 children.


To find the relative frequency of people who have 2 children, we need two pieces of information from the histogram:

1. **The frequency of people with 2 children.**
2. **The total number of people surveyed.**

### Step 1: Find the frequency of people who have 2 children.
From the histogram:
- The bar representing people with 2 children has a height of **2**. Therefore, the frequency of people who have 2 children is 2.

### Step 2: Find the total number of people surveyed.
From the histogram, we sum the frequencies of all the bars:
- Frequency for 1 child = 3
- Frequency for 2 children = 2
- Frequency for 3 children = 4
- Frequency for 4 children = 5

So, the total number of people surveyed is:
\[
3 + 2 + 4 + 5 = 14
\]

### Step 3: Calculate the relative frequency.
The relative frequency is calculated by dividing the frequency of people with 2 children by the total number of people surveyed:
\[
\text{Relative frequency} = \frac{\text{Frequency of 2 children}}{\text{Total frequency}} = \frac{2}{14} = \frac{1}{7} \approx 0.1429
\]

Thus, the relative frequency of people who have 2 children is approximately **0.1429**, or **14.29%**.

Would you like further details on how relative frequencies work or any other aspect of this question? Here are 5 related questions to explore:

1. What is the relative frequency for people who have 3 children?
2. How is a relative frequency different from an absolute frequency?
3. How would the relative frequency change if more people with 2 children were surveyed?
4. How can cumulative frequency be calculated from the given data?
5. What is the probability interpretation of relative frequency in statistics?

**Tip:** In a histogram, the relative frequency is the proportion of the total data set that each bar represents.

A survey asked how many children people have. The survey results are given in the histogram above. Find the relative frequency of people who have 2 children.

Learn how to calculate the relative frequency of people with 2 children using data from a histogram. The problem covers essential statistical concepts such as relative frequency and histogram interpretation, suitable for students in Grades 6-8.

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