The Number of Houses Sold in a Suburb in Sydney

question 31

Essay

The number of houses sold in a suburb in Sydney and the average monthly mortgage rates for 18 months randomly selected are shown in the following table. $$\begin{array} { | c | c | c | c | } \hline \begin{array} { c } \text { Mortgage } \\\text { rate (\%) }\end{array} & \begin{array} { c } \text { Number of } \\\text { houses sold }\end{array} & \begin{array} { c } \text { Mortgage } \\\text { rate (\%) }\end{array} & \begin{array} { c } \text { Number of } \\\text { houses sold }\end{array} \\\hline 7.5 & 90 & 9.5 & 68 \\\hline 9.0 & 72 & 6.5 & 97 \\\hline 7.0 & 89 & 8.0 & 79 \\\hline 10.5 & 62 & 9.0 & 75 \\\hline 10.0 & 58 & 10.5 & 53 \\\hline 9.5 & 70 & 9.5 & 73 \\\hline 8.5 & 74 & 11.0 & 50 \\\hline 10.0 & 65 & 7.5 & 82 \\\hline 11.0 & 51 & 8.5 & 70 \\\hline\end{array}$$ a. Draw a scatter diagram with the number of houses sold on the vertical axis.
b. Describe the relationship between mortgage rate and number of houses sold.

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Definitions:

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Interpersonal relationships that involve physical and emotional intimacy, and sexual activity between two or more individuals.

Accommodation

The cognitive process of revising existing cognitive schemas, perceptions, and understanding so that new information can be incorporated.

Conscientiousness

A personality trait characterized by organization, dependability, efficiency, and a strong sense of duty.