Answer: 7 hours
78-15=63
63÷9=7
I hope this is good enough:
Answer:
7 hours
Step-by-step explanation:
63 divided by 9= 7
70.5
Set of Data (Prioritized):
31, 43, 47, 58, 63, 68, <u>69, 72,</u> 77, 84, 84, 84, 94, 97
To find the median:
(69 + 72) ÷ 2
= 70.5
Therefore, the median is equal to 70.5.
Answer: 2/7 = 8/28
1/4 = 7/28
Therefore Mr Pham mowed more.
8+7 = 15 so 15/28 of lawn has been mowed, therefore 13/28 of the lawn is left still to be mowed.
Mr. Pham mowed more of the lawn than his son.
it still needs ¹³/₂₈ of the lawn to be mowed.
3 and 8 is a pair of corresponding.
A
the mean is higher than kindergartens mean which shows its larger and the deviation is lower which shows less variation
