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
4 answers
Yes, c.
thank you so much
You're very welcome.
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
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