in-a-survey-of-weekly-hours-spent-on-online-courses-by-a-group-of-students-the-f

Question

In a survey of weekly hours spent on online courses by a group of students, the following hours were reported: $5$ , $8$ , $10$ , $12$ , $15$ , $7$ , $9$ , $11$ , $6$ , $8$ , $10$ , and $7$ . Calculate the $z$ -score for the student who spent the most hours online.

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Answer

In a survey of weekly hours spent on online courses by a group of students, the following hours were reported: 55, 88, 1010, 1212, 1515, 77, 99, 1111, 66, 88, 1010, and 77. Calculate the zz-score for the student who spent the most hours online.

In a survey of weekly hours spent on online courses by a group of students, the following hours were reported: $5$ , $8$ , $10$ , $12$ , $15$ , $7$ , $9$ , $11$ , $6$ , $8$ , $10$ , and $7$ . Calculate the $z$ -score for the student who spent the most hours online.