Question: A social worker notices that some of her most anxious
A social worker notices that some of her most anxious clients often come to see her with coffee mugs in hand. Wondering if their anxiousness (X) is related to their amount of caffeine consumption (Y), she randomly samples 10 of her clients and ranks them on both variables. The following results were obtained:
Compute the rank-order correlation and indicate whether there is a significant relationship between X and Y.
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