Question

Fat Grams and Secondary Schools. The number of fat calories and grams of saturated fat in a number of fast-food non-breakfast entrees are shown below.

Fat Calories	190	220	270	360	460	540
Sat. Fat	9	8	13	17	23	27

Questions:

a) In a scatter plot, what variable goes on vertical axis?

b) In a scatter plot, what variable goes on the horizontal axis?

c) Are the two variables positively or negatively correlated? Explain

Answer 1

We can use here Scatter plot by Excel.
Step 1) Enter data in Excel.

Step 2) Select data >>click on insert tab >>Select scatter plot >>Select scatter plot with function.

a) In scatter plot dependent variable goes on verticle axis(y-axis)

grams of saturated fat in a number of fast-food

b) In scatter plot independent variable goes on horizontal axis (x-axis)

The number of fat calories

c) Tow variables are positively correlated.

as the number of fat increases the number grams of saturated fat in a number of fast-food increases.