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A student randomly samples individuals in their class and records their height and the length of their left arm (both in cm). Compute r (without
A student randomly samples individuals in their class and records their height and the length of their left arm (both in cm). Compute r (without the built-in functions of Excel) and show your work. State whether r is significant at = 0.05. If there is a significant correlation, provide the regression equation
Individual heights and left arm lengths | |||||
Height (cm) | 150 | 191 | 178 | 167 | 143 |
Arm length (cm) | 50 | 69 | 53 | 53 | 40 |
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