aya2723 aya2723

08-11-2020
Mathematics

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Question Progress
73%
b)
The table shows information about the numbers of hours 30 children
spent on their tablets one evening.
Number of hours (h) Frequency
0 << 1
6
1 13
2 7
3 4
a) Find the class interval that contains the median.
b) Work out an estimate for the mean number of hours.

Question Progress 73 b The table shows information about the numbers of hours 30 children spent on their tablets one evening Number of hours h Frequency 0 ltlt class=

Respuesta :

mcertzzz mcertzzz

19-11-2020

Answer=

a= 2<h<3

b=2.2

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