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Name Me Section # Date Chapter 2 Handout 1 CORRELATIONS Instructions: For each o

ID: 3491780 • Letter: N

Question

Name Me Section # Date Chapter 2 Handout 1 CORRELATIONS Instructions: For each of the correlati and give an alternative explanation (other than the two variables causing cach other) for ea onal studies described below, decide whether the correlation is positive or negative less time spent texting in a class, the higher the grade in the class. Positive or negative? Alternative Explanation: . 2. The fewer hours of sleep people get a night, the lower their scores on an Positive or negative? Alternative Explanation: 3. The more As assgned in a clas, the higher the instructor's teaching evaluations Positive or negative? Alternative Explanation The more people exercise, the lower their resting heart rate. Positive or negative? Alternative Explanation: 4· The more ice cream sold, the greater the number of boating accidents. Positive or negative? Alternative Explanation 5. Students who work more hours a week have lower GPAs. Positive or negative? Alternative Explanation: 6.

Explanation / Answer

Ans 1 :

Negative corelation

It is true that more time that we spend in class attentive and less time that we spend on texting , brings us higher grades in examinations

Ans 2 : Positive corelation

As one variable decreases the other also decreases , so this is positive corelation.

Ans 3 : Positive corelation

Again here both the variables are in the same direction.

Ans 4 : Negative corelation

The corelation is negative , as the variables are not in same direction . It is in the opposite direction . If one increases the other decreases.