We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive pseudonymised information about your use of our website. cookie policy and privacy policy.
 
+0  
 
0
115
1
avatar

Miriam took a survey, asking each family in her neighborhood how many pets they have. She made a graph showing the results:

 


1.

What is the average number of pets per family?

 

2.

determine the median number of pets per family.

 

Plz help! sad

 Dec 18, 2018
 #1
avatar+103082 
+1

20 famlies were surveyed

 

1. We can use a  weights to find the average

 

[ 6(0) + 3(1) + 3(2) + 6(3) + 1(4) + 1(5)] / 20 =

 

[ 36 ] / 20 =

 

18/10  =

 

1.8 pets = average

 

 

2.   List the data

 

0, 0, 0, 0 ,0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 3, 3, 3, 4, 5

 

The median  is the sum of the 10th and 11th values / 2  =  [ 2 + 2 ] / 2  = 4/2  = 2

 

 

cool cool cool

 Dec 18, 2018
edited by CPhill  Dec 19, 2018

17 Online Users

avatar
avatar
avatar