Question

Data: Height (inches) Running Speed (seconds) 60 8 55 11 56 10 52 12 48 14...

Data:

Height (inches) Running Speed (seconds)
60 8
55 11
56 10
52 12
48 14
44 16
47 13
52 12

The attached spreadsheet contains data from a random sample of eight elementary school children. Each child was measured for height (in inches) and timed in the 40-yard dash (in seconds).

What is z' for the correlation between height and speed in this sample?

(Give your answer to at least 3 decimal places)

Math   Statistics-And-Probability   
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