Respuesta :

samkr14

Answer:

a) 34 years

b) 17 people

c) 46 years old

Step-by-step explanation:

a) It's asking for the range so look for the biggest number in the set and smallest number in the set. The biggest number is 55 and the smallest number is 21 so 55-21 = 34

b) count all the numbers on the right side of the stem and leaf diagram and there are a total of 17 numbers so 17 is the number of people represented

c) order the numbers from least to greatest and find the middle number

a. The range is 34 years

b. 17 people are represented in the diagram

c. The median age is 46 years

What is range?

The difference between the greater and the smaller number is called the range .

What is median?

The median is the middle value in a list ordered from smallest to largest.

How to find the range of ages?

According to the problem,

  • The biggest age is 55
  • The smallest age is 21

∴ The range of age is (55 - 21) years = 34 years

How to know how many people are represented?

  • Here we should count the numbers to the right hand side of the leaf stem diagram.

According to the problem,

  • 2 people are there in the first row
  • 4 people are there in the second row
  • 6 people in the third row
  • 5 people in the fourth row

∴  Total number of people = ( 2 + 4 + 6 + 5) = 17 people

How to find the median ?

To find the median we should arrange the ages in order

  • 21 , 23 , 30 , 32 , 32 , 35 , 43 , 44,  46 , 48 , 49 , 49, 50 , 52 , 52 , 53 , 55.

Here , 46 is the middle age.

So 46 is the median.

Find more about "Median and Range" here : https://brainly.com/question/542771

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