Mathematics, 26.01.2021 19:00, janeou17xn

The table shows information about the numbers of hours 30 children spent on their tablets one evening.
Number of hours (h) Frequency
0 4
1 8
2 11
3 7
a) Find the class interval that contains the median.
b) Work out an estimate for the mean number of hours.

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The table shows information about the numbers of hours 30 children spent on their tablets one eveni...