Question

The correlation coefficient for poor health and not exercising in a group of people is 0.67. Analyze the following statement:

Poor health is caused by not exercising.

Is this a reasonable conclusion?

Yes; everyone who doesn't exercise is by definition unhealthy
Yes; the correlation coefficient is above 0.5, so that implies causation
No; the data are only weakly correlated, and many people are healthy who don't exercise
No; poor health and not exercising are completely unrelated


im thinking c am i right pls help

Answer 1

Yes, c.

Answer 2

thank you so much

Answer 3

You're very welcome.

Answer 4

The price of a gym membership has a one-time sign-up fee and a monthly fee. The price can be modeled by the function y = 10x + 15, where x is the number of months.

What is the y-intercept, and what does it represent?

10; it represents the monthly fee
10; it represents the one-time sign-up fee
15; it represents the monthly fee
15; it represents the one-time sign-up fee