Correlation coeffiencients is used to determine the relationships between data, Correlation coefficients can test two or more variable(s) at a time
<h3 /><h3>What are correlation coefficients?</h3>
This is a linear correlation between sets of data. This coefficient can only be between -1 and 1.
Positive values show a positive correlation while a negative value shows negative correlation. A correlation coefficient of zero shows no relationship between variables.
Based on the explanation, we can conclude that Correlation coefficients can test two or more variable(s) at a time
Learn more on correlation here: brainly.com/question/4219149
So
Total cost of the workbooks is d
And the number of workbooks is t
Therefore d = 95
95=19t
t=95/19=5
5 workbooks
Answer:
The average rate of change is 3.5
We use letters to substitute for unknown numbers. I hope this helps. :)
Answer:
I think its either C or D but im not very sure.
Step-by-step explanation: