Question

determine whether the graph shows a positive correlation, a negative correlation, or no correlation. if there is a positive negative correlation, describe its meaning in the situation.
united states birth rate (per 1000)
source: national center for health statistics, u.s. dept.
of health and human services
a. no correlation

Explanation:

Step1: Analyze the trend of the data points

As the year increases, the birth rate decreases.

Step2: Determine the type of correlation

Since one variable (year) increases and the other (birth rate) decreases, it is a negative correlation.

Step3: Describe the meaning

As time (years) goes on, the birth rate in the United States (per 1000) is decreasing.

Answer:

Negative correlation. As the years pass, the United States birth rate (per 1000) is decreasing.