emily wants to determine the relationship between the number of people in a household (x) and the last 4…

emily wants to determine the relationship between the number of people in a household (x) and the last 4 digits of their phone number (y). she randomly selects 100 households in her town and examines the data. what is the best estimate of the correlation coefficient between x and y?\na. -0.5\nb. 0\nc. 0.5\nd. 1

emily wants to determine the relationship between the number of people in a household (x) and the last 4 digits of their phone number (y). she randomly selects 100 households in her town and examines the data. what is the best estimate of the correlation coefficient between x and y?\na. -0.5\nb. 0\nc. 0.5\nd. 1

Answer

Explanation:

Step1: Understand correlation concept

The correlation coefficient measures the strength and direction of a linear relationship between two variables.

Step2: Analyze variables

The number of people in a household and the last 4 - digits of a phone number are not related in any linear way. There is no cause - and - effect or linear association between them.

Step3: Recall correlation values

A correlation coefficient of 0 indicates no linear relationship.

Answer:

B. 0