24-A recent study found that women who own horses tend to live longer than women who do not own horses. Does this imply that owning a horse causes a woman to live longer? Why or why not?

Yes, the women who owned horses had longer life spans, and the women who did not own horses had shorter life spans. This association implies a cause and effect relationship.

No, there could be a third variable influencing the relationship between horse ownership and life span. Namely, women who are wealthy enough to own a horse are probably also wealthy enough to afford basic necessities and health care.

No, it depends on the type of horse a woman owns. Some horse breeds might make a woman live longer, but other horse breeds might shorter a woman's life span.

Yes, since women who owned horses lived longer, we can conclude that buying a horse would likely increase a woman's life span.

25-In countries across the globe, there is a positive correlation between the number of TVs owned per person and the life expectancy. That is, countries with more TVs per person tend to have higher life expectancies. What lurking variable might be influencing this association?

The average height of the people in each country

Standard of living; how developed the country is

The brand of the TVs

The weather