The table shows information about the numbers of hours 30 children spent on their tablets one evening.A) Find the class interval that contains the median.B)Work out an estimate for the mean number of hours
1 answer:
Answer:
A- 2<h<3 B- 2.2
Step-by-step explanation:
when you make a dot plot, the median is 11. using that dot plot, you can approximate a mean to be around 2
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First we have the work out the area of 1 room. So that is 8ft * 12ft which is 96ft^2. And if there are 2 of these rooms, then we multiply this value by 2. Giving us a total area of 192ft^2.
Answer:
9+11i
Step-by-step explanation:
12-3=9
4i-(-7i)=11
So 1 hour= 60 minutes
Answer:
140m
Step-by-step explanation:
3/4 = .75
x/.7 = 150/.75
multiply both sides by .7
x = 150/.75 * .7
x = 140m
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