Math Problem Statement

Perhatikan data pada tabel berikut, lalu tentukan: a) Simpangan Kuartil, b) D3 dan D7 (Deciles), c) Jangkauan Persentil.

Solution

The provided image contains a frequency distribution table and a set of questions regarding statistical calculations. Let's extract the data and questions to solve them step by step.

Data Table:

Interval (Data)Frequency (f)
45 - 492
50 - 543
55 - 593
60 - 646
65 - 694
70 - 742

Questions:

  1. Find the Quartile Deviation (Simpangan Kuartil).
  2. Find D3D_3 and D7D_7 (Deciles).
  3. Find the Range of Percentiles.

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Math Problem Analysis

Mathematical Concepts

Statistics
Quartile Deviation
Deciles
Percentiles

Formulas

Quartile Deviation (QD) = (Q3 - Q1) / 2
Deciles (Dx) formula: L + [(x/10 * N - F) / f] * w
Percentiles (Px) formula: L + [(x/100 * N - F) / f] * w

Theorems

Quartiles and Percentiles in Frequency Distribution

Suitable Grade Level

Grades 10-12

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