Math Problem Statement
8,12,32,10,3,4,4,4,4,5,12,20 Find the mean, median , mode
Solution
To find the mean, median, and mode of the data set:
1. Mean (average):
To find the mean, sum up all the numbers, then divide by the total number of values.
2. Median (middle value):
To find the median, first arrange the numbers in ascending order:
Since there are 12 values (an even number), the median will be the average of the 6th and 7th values. These values are 5 and 8.
3. Mode (most frequent value):
The mode is the value that appears most often. In this case, 4 appears four times.
Summary:
- Mean: 9.83
- Median: 6.5
- Mode: 4
Would you like further clarification or details? Here are five questions to explore:
- How does the mean change if the largest value (32) is removed?
- What happens to the mode if another number appears four times?
- Can a data set have more than one mode?
- Why is the median less sensitive to outliers than the mean?
- How would adding a very large number affect the mean, median, and mode?
Tip: The median is particularly useful for skewed data sets because it isn't influenced by extreme values.
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Math Problem Analysis
Mathematical Concepts
Mean
Median
Mode
Statistics
Formulas
Mean formula: Mean = (Sum of all values) / (Number of values)
Median formula: For even number of values, Median = (n/2th value + (n/2 + 1)th value) / 2
Mode: Most frequent value in the data set
Theorems
No specific theorems directly apply
Suitable Grade Level
Grades 6-8
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