Mr. Martin studied his students' math test scores and TV habits. He found that students who watched less TV tended to earn higher
scores on the test. What conclusion should he make?
There is no correlation between test score and amount of TV watched.
There is a correlation between test score and amount of TV watched. There is probably also causation. This is because there is an increase in a
student's test score with a decrease in the amount of TV watched.
There is a correlation between test score and amount of TV watched. There may or may not be causation. Further studies would have to be done to
determine this.

There is a correlation between test score and amount of TV watched. There is probably also causation. This is because there is an increase in a

student's test score with a decrease in the amount of TV watched.

Step-by-step explanation:

There is a correlation between test score and amount of TV watched. There may or may not be causation. Further studies would have to be done to

determine this.

Step-by-step explanation:

We see from the following that test score and amount of TV watched tend to vary together."students who watched less TV tended to earn higher scores on the test"Thus, there is a correlation between test score and amount of TV watched.However, we cannot be sure there is causation without further studies.

let x be the money she spent so that she can earn the free t-shirt.

since, she already spent $112.49

⇒

also, as per the statement: jennifer must spend $250 or more in order to qualify for a free t-shirt at the store.

then,

we have an inequality i.,e

subtract 112.49 from both sides we get;

therefore, $137. 51 more money does jennifer need to spend so that she can earn the free t-shirt