Question: this is an r question Consider the juul data set in ISwR (1) For the igf1 (juul) data, do the five levels in tanner give

this is an r question

Consider the juul data set in ISwR

(1) For the igf1 (juul) data, do the five levels in tanner give different results?

(2) What is the mean of igf1 in each level of tanner.

(3) If there is any difference, which ones appear to be different?

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