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To determine how many students have a height less than or equal to 1.74 meters, we can look at the cumulative frequency (cf) column, which gives the total number of students below or equal to a certain class boundary.

In the table:
- The cumulative frequency for the class interval 1.65 – 1.74 meters is **63**.

This value represents the total number of students whose height is less than or equal to 1.74 meters.

Therefore, the correct answer is **63**.

Would you like any further details or clarifications?

Here are five follow-up questions to think about:
1. How would the cumulative frequency change if an additional height class were added?
2. How could you estimate the number of students taller than 1.74 meters from this table?
3. What is the difference between frequency and cumulative frequency?
4. How would you use this table to calculate the median height range?
5. How would you plot a cumulative frequency curve from this data?

**Tip:** When reading a frequency distribution table, always check the cumulative frequency column to quickly sum up values below or equal to a specific range.

Using the table, how many students whose height is less than or equal to 1.74 meters?

Learn how to determine how many students have a height less than or equal to 1.74 meters using a cumulative frequency table. This example covers key statistical concepts like cumulative frequency and frequency distribution. Suitable for students in Grades 8-10.

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