A survey of 10 students was conducted to investigate the amount of time they spend on social media each day. Students were given a timer and asked to record the number of minutes spent every time they accessed social media. The students' total times for one day are given below (in minutes). A student who was not included in the survey recorded a time of 240 minutes on social media. That value is:
A)consistent with these data.
B)inconsistent with these data.
C)an outlier.
D)clearly an erroneous recording.

Question

A survey of 10 students was conducted to investigate the amount of time they spend on social media each day. Students were given a timer and asked to record the number of minutes spent every time they accessed social media. The students' total times for one day are given below (in minutes).  A student who was not included in the survey recorded a time of 240 minutes on social media. That value is:
A)consistent with these data. 
B)inconsistent with these data. 
C)an outlier. 
D)clearly an erroneous recording.

Quizplus · Accepted Answer

The given data shows that the range of time spent on social media is between 0 and 180 minutes, with no values above this range. The unrecorded value of 240 minutes is significantly higher than this range and is considered an outlier. Therefore, the best choice is (C) an outlier.

A Survey of 10 Students Was Conducted to Investigate the Amount