Use the given data to test the claim that the sample is from a population with a median greater than 14 hours. Use the sign test with a 0.05 significance level.
The values are the numbers of credit hours taken in the current semester by full-time students of the author.

Transcribed Image Text:

15 15 13 16 12 15 18 16 15 14 16 15 17 12 15 15 14 14 12 12