A study was conducted to determine if hours of sleep per nig

A study was conducted to determine if hours of sleep per night affected the number of cups of coffee consumed during the day Referring to th scatterplot above answer the following question. Maximum value independent variable: Minimum value independent variable: Maximum value dependent variable: Minimum value dependent variable: Number of subjects in the study:

Solution

Independent variable: Hours sleep per night

Dependent Variable: Cups of Coffee per day

1. Answer = 9

2. Answer = 3

3. Answer = 7

4. Answer = 1

5. Answer = 7

Explanation:

The maximum value of hours slept per night is 9, occuring on the data point (9,2), as is evident from the plot. Similarly, we see that minimum point occurs at (3,6), therefore minimum value =3

For cups of coffee per day, we check the maximum and minimum values of y, which come to 7 and 1 respectively.

As there are 7 points on the graph, we conclude that the number of subjects in the study is 7