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What is the average (arithmetic mean) number of televisions
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02 Feb 2020, 17:43
02 Feb 2020, 17:43
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99% (01:34) correct
0% (00:00) wrong based on 7 sessions
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What is the average (arithmetic mean) number of televisions per household?
A. Cannot be determined
B. 2.1
C. 2.3
D. 2.5
E. 2.7
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ANSWER WILL ADDED LATER
Re: What is the average (arithmetic mean) number of televisions
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03 Feb 2020, 07:39
03 Feb 2020, 07:39
1
The Average cannot be determined, since we don't know the exact number of TVs that are in the households that have 5 or more TVs (they can have 5, 6, ...or every other greater number) --> to compute the average, we need any single number (it takes outliers into account in contrast to the median). We could compute the median, but that is not asked, so the answer is A
(16*0 +8*1 + 2*24 + 3*20 + 4*20 + x*12) / 100 = (8+48+60+80+12x) /100 = 1,96 +0,12x
(16*0 +8*1 + 2*24 + 3*20 + 4*20 + x*12) / 100 = (8+48+60+80+12x) /100 = 1,96 +0,12x
Re: What is the average (arithmetic mean) number of televisions
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09 Mar 2020, 04:12
09 Mar 2020, 04:12
Answer will be option A cannot be determined
Reasoning --> No of television per household can be anywhere between 6 to infinity
Reasoning --> No of television per household can be anywhere between 6 to infinity
