A physiological psychologist measures the relationship between a rat's weight (in grams) and the time it takes the rat to run a maze (in second). Here are the data:

a. Calculate Pearson r.
b. Interpret the correlation coefficient for a one - tailed test: can you reject the null hypothesis? If so, with what confidence?

Transcribed Image Text:

ine-25 23 23 24 27 26 24 25 28 27 2 0 1 9 7 6 3 515 09890 32223 2232 1234567890