Math Problem Statement

How many of the trees are more than 10 m tall but not more than 20 m tall?

Solution

The problem asks for the number of trees that are taller than 10 m but not more than 20 m. From the given frequency table:

  • For the height range 10<h1510 < h \leq 15, the frequency is 13.
  • For the height range 15<h2015 < h \leq 20, the frequency is 5.

Adding these frequencies together:

13+5=1813 + 5 = 18

Thus, the number of trees taller than 10 m but not more than 20 m is 18.

Do you have further questions or need details on this calculation?


Here are five related questions to consider:

  1. How many trees are taller than 5 m but not more than 15 m?
  2. What is the total number of trees recorded in the table?
  3. What percentage of trees are between 10 m and 15 m tall?
  4. How many trees are either 5 m tall or less than 5 m tall?
  5. What is the range of tree heights covered in the table?

Tip: Always double-check the range conditions (e.g., <,<, \leq) to ensure accurate calculations!

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Math Problem Analysis

Mathematical Concepts

Data Analysis
Frequency Tables
Range Conditions

Formulas

Summation of frequencies within a range

Theorems

Basic properties of frequency distributions

Suitable Grade Level

Grades 6-8