9.88,10.19,11.15,11.70,12.01,12.46, 13.22,13.29,14.00,14.38,14.50,14.50 ,15.14,15.16,15.16,15.16,15.54,15.9 6,16.20,16.22,16.44,17.58,20.38,21. 15. how do i find the quartiles?

What is the value of the expression below? (81^2)^1/8

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.

Lydia collected two sets of data one set of data shows an outlier. which set has an outlier, and which number is the outlier?