Toidentify:The value of the 30th and 90th percentiles for the values 7, 12, 3, 14, 17, 20, 5, 3, 17, 4, 13, 2, 15, 9, 15, 18, 16, 9, 1, 6.
The 30th percentile is 5 and the 90th percentile is 17.
Given information:
The given data set is 7, 12, 3, 14, 17, 20, 5, 3, 17, 4, 13, 2, 15, 9, 15, 18, 16, 9, 1, 6.
Explanation:
Consider the given information.
Write the values in ascending order.
1, 2, 3, 3, 4, 5, 6, 7, 9, 9, 12, 13, 14, 15, 15, 16, 17, 17, 18, 20
Total number of observations are 20.
30th percentile is:
So, the 30th percentile is the 6th value of the data set which is 5.
90th percentile is:
So, the 90th percentile is the 18th value of the data set which is 17.
Chapter 11 Solutions
High School Math 2015 Common Core Algebra 2 Student Edition Grades 10/11
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