Based on an Internet survey, investigators concluded that women who regularly watched Oprah were only one-seventh as likely to crave fattening foods as those who watched other daytime talk shows. (a) Is it reasonable to conclude that watching Oprah causes a decrease in cravings for fattening foods? Yes, this is quite a reasonable conclusion. No, there are many other confounding variables. There is not enough data to make the conclusion.

The correct option is:

No, there are many other confounding variables.

Explanation:

The given internet survey concluded that women who regularly watched Oprah were only one-seventh as likely to crave fattening foods as those who watched other daytime talk shows. Since this study is just an observational study, so we cannot draw cause and effect relationship. Also, it would not be reasonable to conclude because there are many other confounding variables.

The correct answer will be option - No, there are many other confounding variables. There is not enough data to make the conclusion.

Step-by-step explanation:

In the given question, where the women which watched Oprah shows craved fattening foods one-seventh to other women who watched other shows the independent variable is Oprah show whereas the dependent variable is the craving of the fattening food.

But the craving of the food can be influenced by the other variable called confounding variables which could disturb the statistics of the data and would have caused problems in the experiment.

Thus, the selected option is the correct answer.