Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 25SGR
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![### Question 7:
Find the five-number summary for the following data.
**Data:** 56, 62, 51, 63, 43, 35, 67, 34, 47
---
**Explanation:**
To find the five-number summary, we need to identify the following components from the data:
1. **Minimum**: The smallest number in the dataset.
2. **First Quartile (Q1)**: The median of the lower half of the dataset (excluding the median if the number of data points is odd).
3. **Median (Q2)**: The middle number of the dataset.
4. **Third Quartile (Q3)**: The median of the upper half of the dataset.
5. **Maximum**: The largest number in the dataset.
Step-by-step process:
1. **Order the data set from smallest to largest**:
34, 35, 43, 47, 51, 56, 62, 63, 67
2. **Identify the median** (Q2):
- The median is the middle number in the ordered dataset.
- For the ordered dataset (34, 35, 43, 47, 51, 56, 62, 63, 67), the median is 51.
3. **Identify Q1** (First Quartile):
- The lower half of the data: 34, 35, 43, 47
- The median of the lower half (Q1) is (35 + 43) / 2 = 39.
4. **Identify Q3** (Third Quartile):
- The upper half of the data: 56, 62, 63, 67
- The median of the upper half (Q3) is (62 + 63) / 2 = 62.5.
5. **Minimum and Maximum values**:
- Minimum: 34
- Maximum: 67
**Five-Number Summary:**
- Minimum: 34
- Q1: 39
- Median (Q2): 51
- Q3: 62.5
- Maximum: 67](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa8806b7e-f40b-4bdb-ad9e-501a072cef3a%2Fe32e6b20-5c65-4d57-b237-69743fe61f88%2Fdrigsnc_processed.jpeg&w=3840&q=75)
Transcribed Image Text:### Question 7:
Find the five-number summary for the following data.
**Data:** 56, 62, 51, 63, 43, 35, 67, 34, 47
---
**Explanation:**
To find the five-number summary, we need to identify the following components from the data:
1. **Minimum**: The smallest number in the dataset.
2. **First Quartile (Q1)**: The median of the lower half of the dataset (excluding the median if the number of data points is odd).
3. **Median (Q2)**: The middle number of the dataset.
4. **Third Quartile (Q3)**: The median of the upper half of the dataset.
5. **Maximum**: The largest number in the dataset.
Step-by-step process:
1. **Order the data set from smallest to largest**:
34, 35, 43, 47, 51, 56, 62, 63, 67
2. **Identify the median** (Q2):
- The median is the middle number in the ordered dataset.
- For the ordered dataset (34, 35, 43, 47, 51, 56, 62, 63, 67), the median is 51.
3. **Identify Q1** (First Quartile):
- The lower half of the data: 34, 35, 43, 47
- The median of the lower half (Q1) is (35 + 43) / 2 = 39.
4. **Identify Q3** (Third Quartile):
- The upper half of the data: 56, 62, 63, 67
- The median of the upper half (Q3) is (62 + 63) / 2 = 62.5.
5. **Minimum and Maximum values**:
- Minimum: 34
- Maximum: 67
**Five-Number Summary:**
- Minimum: 34
- Q1: 39
- Median (Q2): 51
- Q3: 62.5
- Maximum: 67
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