Question: The histogram shows classification of flags of various countries according to the number of colors in them.
Complete the following sentences.
A national flag most commonly has ____ colors.
A national flag has at most ____ colors.
National flags
Number of national flags
number of colors in the flag
1 2 3 4 5 6 7 8
1. **State the problem:** We are given a histogram showing the number of colors in national flags and the count of flags for each number of colors.
2. **Analyze the histogram:** The x-axis represents the number of colors in the flag from $1$ to $8$.
3. **Identify the most common number of colors:** The tallest bar is at $3$ colors, meaning most national flags have $3$ colors.
4. **Identify the maximum number of colors:** The histogram shows bars up to $8$ colors, so the maximum number of colors in a national flag is $8$.
5. **Complete the sentences:**
- A national flag most commonly has $3$ colors.
- A national flag has at most $8$ colors.