the systolic blood pressure of 18 the systolic blood pressure of 18 the systolic

Question

the systolic blood pressure of 18 the systolic blood pressure of 18 the systolic blood pressure of 18 the systolic blood pressure of 18 the systolic blood pressure of 18 Empirical and Quant italve Reason ing Obtai n the five-number summary for the given data 1)235,8, 10 Critical T hinking 2) Suppose that you want to construct a graph to rep resent the following d ata Blood Type Frequency 84 18 AB If you are mostly interested in the number of people in each cate gory as a per centage of the total number of people, would a bar chart or a pie chart be mo re useful? Explain your thinking

Explanation / Answer

1. Min is 2

Q1=

The first quartile (or lower quartile or 25th percentile) is the median of the bottom half of the numbers. So, to find the first quartile, we need to place the numbers in value order and find the bottom half.

2   3   5   8   10   

So, the bottom half is

2   3   

The median of these numbers is 2.5.

The median is the middle number in a sorted list of numbers. So, to find the median, we need to place the numbers in value order and find the middle number.

Ordering the data from least to greatest, we get:

2   3   5   8   10   

So, the median is 5 .

The third quartile (or upper quartile or 75th percentile) is the median of the upper half of the numbers. So, to find the third quartile, we need to place the numbers in value order and find the upper half.

2   3   5   8   10   

So, the upper half is

8   10   

The median of these numbers is 9.

Maximum is 10

So Five number summary is

Min 2

Q1=2.5

Q2=Median=5

Q3=9

Maximum 10

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