An introductory statistics instructor believes that the median number of hours that students study each week is less than 15 . He randomly sampled 20 students, asked them to disclose the number of hours they study each week, and obtained the following data:

Do the data indicate that the median number of hours that students study each week is less than 15 ? Use the \(\alpha=0.05\) level of significance.

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8 00 17 8 10 5 5 22 22 12 8 8 12 5 10 10 10 4 20 20 8 20 20 5 25 15