Math Problem Statement

Which of the following set of data has the smallest range? Options: A) 8, 10, 14, 17, 19, 22; B) 11, 13, 18, 24, 26; C) 13, 17, 20, 27, 30; D) 47, 49, 52, 54, 62.

Solution

To determine which data set has the smallest range, let's analyze each option in the image. The range of a data set is calculated as the difference between the highest and lowest values within the set.

Here’s the breakdown:

  1. Option A: 8,10,14,17,19,228, 10, 14, 17, 19, 22

    • Range: 228=1422 - 8 = 14
  2. Option B: 11,13,18,24,2611, 13, 18, 24, 26

    • Range: 2611=1526 - 11 = 15
  3. Option C: 13,17,20,27,3013, 17, 20, 27, 30

    • Range: 3013=1730 - 13 = 17
  4. Option D: 47,49,52,54,6247, 49, 52, 54, 62

    • Range: 6247=1562 - 47 = 15

From this calculation, Option A has the smallest range, which is 14.

Answer:

The correct answer is A.

Would you like further details on range calculation or other related topics?


Here are five related questions for further exploration:

  1. What are other ways to measure data spread besides range?
  2. How would the range change if a single data point in a set is altered?
  3. Can a data set with the smallest range still have a high variance?
  4. How does range differ from interquartile range (IQR) in statistical analysis?
  5. What are potential limitations of using range as a measure of variability?

Tip: The range is useful for quick assessments of data spread, but it can be heavily influenced by outliers.

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Math Problem Analysis

Mathematical Concepts

Range
Data Analysis

Formulas

Range = Maximum Value - Minimum Value

Theorems

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Suitable Grade Level

Grades 6-8