The 2011 Canadian Census at School project collected data on school-age children
ID: 3062948 • Letter: T
Question
The 2011 Canadian Census at School project collected data on school-age children. The following scatterplot below the mean wrist circumference of boys according to age:
Can we use the coefficient of correlation formula we covered in class to measure the relationship?
No because the age can not be considered as an explanatory variable
No because the assumption of the coefficient of correlation formula is not satisfied
Yes
No because the data points are not enough
175 165 E 155 145 135 t 7 913 15 17 19 7 Age (years)Explanation / Answer
Yes, we can use the coefficient of correlation formula to measure the relationship because the following two conditions are mathched.
1) The given numbers are ordinal ( i.e continously Increasing/decreasing together)
2) There are no outliers.
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