Question

The table shows the number of visitors (in millions) to ski areas in the United States in 10 different years.

1. Make a line graph using every 5th year, starting with 1980. What trend does the graph show?
2. Make a new line graph using all the years given in the table. What trend does it show?
3. Which line graph represents the data more accurately, the one in part (a) or the one in part (b)? Explain.

Short answer

a.

b.

c. The graph shown in part (b) represents the data more accurately because, in some of the years the number of people increased which is not shown in part (a).

Step-by-step solution

a.Step 1. Given Information.

The table given below shows the number of visitors (in millions) to ski areas in the United States in different years:

Step 2. Graph.

Step 3. Conclusion.

The Graph shows that the number of people visiting the ski areas increased from 1980 to 1985 then it decreased in the next five years then it again increased gradually for the next 10 years.

b.Step 1. Given Information.

The table given below shows the number of visitors (in millions) to ski areas in the United States in different years:

Step 2. Graph.

Step 3. Conclusion.

From the above graph, it is seen that the number of people visiting the ski areas keeps on increasing and decreasing.

c.Step 1. Given Information.

The table given below shows the number of visitors (in millions) to ski areas in the United States in different years:

Step 2. Explanation.

The graph shown in part (b) represents the data more accurately because, in some of the years the number of people increased which is not shown in part (a). Moreover, the graph (b) has more data readings so it gives a more accurate representation.