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12 Feb 2021, 07:30
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Dropdown 1: 3
Dropdown 2: 4.2
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
65%
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Question Stats:
65% (02:40) correct
35%
(03:01)
wrong
based on 851
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The chart summarizes the results of a study where twenty teenagers were surveyed about the time they spent each week playing video games. Two reported playing video games for 1 hour, 4 reported playing for 2 hours, etc. while 1 respondent reported playing video games for more than 10 hours.
Based on the information given, use the drop-down menus below to most accurately complete the following statements.
1. The median number of hours spent playing video games among the group is hours.
2. Assuming that no individual played video games for more than 20 hours per week, then the greatest possible value for the mean number of hours of video game-playing per week for the group is hours.
8.jpg [ 31.61 KiB | Viewed 7544 times ]
Based on the information given, use the drop-down menus below to most accurately complete the following statements.
1. The median number of hours spent playing video games among the group is hours.
2. Assuming that no individual played video games for more than 20 hours per week, then the greatest possible value for the mean number of hours of video game-playing per week for the group is hours.
Attachment:
8.jpg [ 31.61 KiB | Viewed 7544 times ]
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Official Answer
Dropdown 1: 3
Dropdown 2: 4.2
rocky620
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15 Feb 2021, 05:39
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1.1 The median number of hours spent playing video games among the group is__________hours.
Hours spent by teenagers (in ascending orders time)
1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 4, 4, 4, 5, 5, 5, 5, 7, 10+
Median time spent playing = 3 hours
A. 2
B. 3
C. 4
D. 5
1.2 Assuming that no individual played video games for more than 20 hours per week, then the greatest possible value for the mean number of hours of video game-playing per week for the group is___________hours.
Average time spent by All teenagers in playing games = \(\frac{# of teenagers*hours spent}{20}\)
Since no teenager played more than 20 hours, highest time spent playing by one teenager will be 20
2*1 = 2
4*2 = 8
5*3 = 15
3*4 = 12
4*5 = 20
1*7 = 7
1*20 = 20
Total = 84
Average Time spent = \(\frac{84}{20}\) = 20
A. 3.2
B. 3.7
C. 4.2
D. 4.5
Hours spent by teenagers (in ascending orders time)
1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 4, 4, 4, 5, 5, 5, 5, 7, 10+
Median time spent playing = 3 hours
A. 2
B. 3
C. 4
D. 5
1.2 Assuming that no individual played video games for more than 20 hours per week, then the greatest possible value for the mean number of hours of video game-playing per week for the group is___________hours.
Average time spent by All teenagers in playing games = \(\frac{# of teenagers*hours spent}{20}\)
Since no teenager played more than 20 hours, highest time spent playing by one teenager will be 20
2*1 = 2
4*2 = 8
5*3 = 15
3*4 = 12
4*5 = 20
1*7 = 7
1*20 = 20
Total = 84
Average Time spent = \(\frac{84}{20}\) = 20
A. 3.2
B. 3.7
C. 4.2
D. 4.5
13 Jul 2023, 07:37
Kudos
Bookmarks
1.2 Assuming that no individual played video games for more than 20 hours per week, then the greatest possible value for the mean number of hours of video game-playing per week for the group is___________hours.
Average time spent by All teenagers in playing games =
\frac{# of teenagers*hours spent}{20}
Since no teenager played more than 20 hours, highest time spent playing by one teenager will be 20
2*1 = 2
4*2 = 8
5*3 = 15
3*4 = 12
4*5 = 20
1*7 = 7
1*20 = 20
Total = 84
How Come (1*20) ?
It should be 1*10 know, Making the total 74
74/20 = 3.7
3.7 - B (Answer)
Average time spent by All teenagers in playing games =
\frac{# of teenagers*hours spent}{20}
Since no teenager played more than 20 hours, highest time spent playing by one teenager will be 20
2*1 = 2
4*2 = 8
5*3 = 15
3*4 = 12
4*5 = 20
1*7 = 7
1*20 = 20
Total = 84
How Come (1*20) ?
It should be 1*10 know, Making the total 74
74/20 = 3.7
3.7 - B (Answer)
