Question

when hana goes to the mall, she always buys the same lunch and also buys some books. the table shows the number of books she buys x and the total amount of money she spends y. make a scatter plot of the data. tell whether there is a positive correlation, a negative correlation, or no correlation. then, if possible, draw a trend line.

x	1	2	2	3	4
y	17	21	23	26	34

positive correlation
negative correlation
no correlation

Explanation:

Step1: Understand correlation concept

Positive correlation means as $x$ increases, $y$ tends to increase. Negative means as $x$ increases, $y$ tends to decrease. No - correlation means no clear trend.

Step2: Analyze data

As the number of books $x$ values are $1,2,2,3,4$ (increasing) and the total money spent $y$ values are $17,21,23,26,34$ (also increasing).

Answer:

positive correlation