Math Problem Statement

Buatlah tabel distribusi dari n 100 ini

Buatlah tabel distribusi dari n 100 ini

Solution

To create a frequency distribution table from the dataset in the image, we will follow these steps:

  1. Identify the range: We will calculate the minimum and maximum values.
  2. Choose the number of classes: Typically, we can use Sturges' formula to determine the optimal number of classes:
    k=1+3.322log10(n)k = 1 + 3.322 \log_{10}(n) where nn is the sample size (here n=100n = 100).
  3. Calculate class width:
    Class width=RangeNumber of classes\text{Class width} = \frac{\text{Range}}{\text{Number of classes}}
  4. Construct the frequency distribution by grouping the data into the classes and counting how many numbers fall into each class.

Let me go ahead and calculate this now.Here is the frequency distribution table based on the dataHere is the frequency distribution table based on the

Class IntervalFrequency
30 - 385
39 - 478
48 - 5613
57 - 6512
66 - 7417
75 - 8318
84 - 9217
93 - 10110

Summary:

  • Minimum value: 30
  • Maximum value: 99
  • Range: 69
  • Number of classes: 8
  • Class width: 9

Would you like more details on this process or any further calculations?

Here are 5 relative questions you might explore:

  1. How would this distribution change with a different number of class intervals?
  2. What would be the cumulative frequency for this dataset?
  3. Can we calculate the mean, median, and mode from this data?
  4. How does the class width affect the shape of the frequency distribution?
  5. Can we create a histogram for this frequency distribution?

Tip: The class width affects the precision of the frequency distribution; smaller widths give more detailed groupings, while larger ones provide a more generalized view.

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Math Problem Analysis

Mathematical Concepts

Statistics
Frequency Distribution
Class Interval
Range Calculation

Formulas

Number of classes (Sturges' formula): k = 1 + 3.322 log10(n)
Class width: Range / Number of classes

Theorems

Sturges' Formula for determining the number of classes

Suitable Grade Level

Grades 10-12