Question

The table shows the air pressure in pounds per square inch at different altitudes in thousand feet: Altitude (thousand feet) 5 10 15 20 25 30 35 40 45 Air pressure (pounds per square inch) 12. 4 10. 2 7 2006. 2 5. 2 4. 2 3. 4 2. 6 2. 0 Which scatter plot best represents the data in the table? plots ordered pairs 2, 45 and 3, 40 and 3. 5, 35 and 4, 30 and 5, 25 and 6. 5, 20 and 7, 15 and 10. 5, 10 and 12. 5, 5 plots ordered pairs 5, 12. 4 and 10, 10. 2 and 15, 7 and 20, 6. 2 and 25, 5. 2 and 30, 4. 2 and 35, 3. 4 and 40, 2. 6 and 45, 2 plots ordered pairs 5, 12. 4 and 10, 10. 2 and 15, 9 and 20, 8. 2 and 25, 7. 2 and 30, 7 and 35, 3. 4 and 40, 6. 2 and 45, 4 plots ordered pairs 5, 12. 4 and 15, 10 and 20, 7 and 25, 6 and 30, 5 and 35, 4 and 40, 3 and 45, 2. 2 and 50, 2.

Answer 1

Scatter plot is the plot of graph in which the values of two variables plotted using their coordinates on the graph.

In the given table the best representation of data when plotted is given as,

(5, 12.4) (10, 10.2) (15, 7), (20,6.2), (25, 5.2) (30,4.2), (35, 3.4), (40,2.6) and (45,2).

Hence the scatter plot in option 2 is the best represents the data in the table.

What is scatter plot?

Scatter plot is the plot of graph in which the values of two variables plotted using their coordinates on the graph.

Given information-

Altitude (thousand feet)                       5      10    15     20   25  30   35  40  45

Air pressure(pounds/squared inch)  12.4  10.2  7   6.2  5.2  4.2  3.4  2.6  2

As the scatter plot of the given values of table has to be find out. Thus the graph of coordinate plane has to be allotted to both the variables of problem.

Here the values of the altitude is plotted on the x axis with the scaling thousand feet.

The values of the air pressure is plotted on the y axis with the scaling 1 pound per squared inch.

Arrange the table values to find the ordered pair.

Thus, In the given table the best representation of data when plotted is given as,

(5, 12.4) (10, 10.2) (15, 7), (20,6.2), (25, 5.2) (30,4.2), (35, 3.4), (40,2.6) and (45,2).

Hence the scatter plot in option 2 is the best represents the data in the table.

Learn more about the scatter plot here;

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