Math Problem Statement
Here is a set of sample data 1 5 6 9 10 33 36 37 43 45 46 48 49 52 59 63 80 81 85 89 92 94 96
Identify the 5 number summary (min, Q1, median, Q3, max) , , , ,
Solution
To find the 5-number summary (Minimum, Q1, Median, Q3, Maximum), we need to arrange all the numbers in order and then calculate the key values.
Here is the dataset in order:
1, 5, 6, 9, 10, 33, 36, 37, 43, 45, 46, 48, 49, 52, 59, 63, 80, 81, 85, 89, 92, 94, 96
Steps:
- Minimum (Min): The smallest number in the data set.
- First Quartile (Q1): The median of the lower half of the data (excluding the overall median if the number of data points is odd).
- Median: The middle value of the dataset.
- Third Quartile (Q3): The median of the upper half of the data (excluding the overall median if the number of data points is odd).
- Maximum (Max): The largest number in the dataset.
Calculations:
- Min: 1 (smallest value)
- Q1: The lower half is {1, 5, 6, 9, 10, 33, 36, 37, 43, 45, 46}, and its median (Q1) is 36.
- Median: The full dataset has 24 values, so the median is the average of the 12th and 13th values: (48 + 49) / 2 = 48.5.
- Q3: The upper half is {48, 49, 52, 59, 63, 80, 81, 85, 89, 92, 94, 96}, and its median (Q3) is 81.
- Max: 96 (largest value)
Final 5-number summary:
Min = 1, Q1 = 36, Median = 48.5, Q3 = 81, Max = 96
Would you like further details or clarifications?
Here are some related questions:
- How do you calculate quartiles for a dataset with an odd number of values?
- What is the interquartile range (IQR) and how is it useful?
- How do outliers affect the 5-number summary?
- What are the implications of a large gap between Q1 and Q3?
- How does the 5-number summary help in creating box plots?
Tip: When calculating quartiles, always ensure your data is sorted in ascending order to avoid mistakes.
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Math Problem Analysis
Mathematical Concepts
Descriptive Statistics
Quartiles
Five-number Summary
Formulas
Quartile Formula: Q1 = Median of the lower half, Q3 = Median of the upper half
Median Formula: If the number of values is even, the median is the average of the two middle numbers
Theorems
Quartile Theorem
Median Theorem
Suitable Grade Level
Grades 8-10
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