The time taken by 60 students is to answer a probability question recorded as given in the table elow. Time (minutes) 1 2 4 6 7 Frequency (number 4 21 18 10 4 of students) Find the mean, median and standard deviation of the time taken by the students in answering the questions. Mean = 3.7667 Median = 3.6667 Standard Deviation = 1.2125

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The time taken by 60 students is to answer a probability question recorded as given in the table
below.
Time (minutes)
1
2
3 4
5 6
7
Frequency (number
2
4
21
18
10
4
of students)
Find the mean, median and standard deviation of the time taken by the students in answering
the questions.
Мean %3D 3.7667
Median = 3.6667
Standard Deviation = 1.2125
Transcribed Image Text:The time taken by 60 students is to answer a probability question recorded as given in the table below. Time (minutes) 1 2 3 4 5 6 7 Frequency (number 2 4 21 18 10 4 of students) Find the mean, median and standard deviation of the time taken by the students in answering the questions. Мean %3D 3.7667 Median = 3.6667 Standard Deviation = 1.2125
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