Answer:
The difference of weight is pounds.
Step-by-step explanation:
Given: The line plots shows the weights of grapefruits
To find: The difference in the total weight of all the grapefruits and the total weight of all the grapefruits.
Firstly, we need to convert the given mixed fractions as following:
Now, we know that,
Point diagrams divide a sample into different classes, and allow to observe the frequencies of each class.
In this case, the different weights of the grapefruit constitute the classes. From a sample of 10 grapefruit, some will weigh others weigh.
We need to observe the dot diagram to know how many grapefruit we have of weight and how many grapefruit we have of weight . In other words, we need to know, in the diagram, how many points there are about class of and how many points there are about class of .
Then, the total difference between all grapefruit of pounds and all grapefruit of pounds is calculated as follows:
Where
: Weight difference
: Quantity of grapefruit
: Quantity of grapefruit
Suppose that of the total grapefruits, of them weigh and of them weigh pounds. This is: and
Now,
Hence, for this case, the difference of weight is pounds.