Maths-
General
Easy

Question

The Johanssens own an ice-cream shop near the beach. The scatter plots show their sales by daily high temperature to the number of beach goers by daily high temperature. Describe the associations shown.

hintHint:

A trend line is a straight line that best represents the points on a scatter plot. The trend line may go through some points but need not go through them all. The trend line is used to show the pattern of the data. This trend line may show a positive or negative trend.
We are asked to find the associations shown in the figures.

The correct answer is: We are asked to find the associations shown in the figures.


    Step 1 of 2:
    The graph that relates temperature and ice cream sales are:


    Here, we can see a weak association. The points are not clustered around the trend line but scattered.
    Step 2 of 2:
    The graph that relates temperature and beach visitors are:



    It is evidently clear that the relation shows strong association.
    The points are clustered together around the trend line and there are not a lot of gaps.
     

    We can analyze the association of a scatter plot by judging the points around the trend line.

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