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genyjoannerubiera
25.07.2019 •
Mathematics
Find the mean absolute deviation to the nearest cent. explain what this value represents.
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Ответ:
134.38
This value represents 134.38
Step-by-step explanation:
Find the mean.
950+620+545+810+775+1120+905+775=6500
6500/8=812.5
Subtract the mean of numbers.
950-812.5=137.5
812.5-620=192.5
812.5-545=267.5
812.5-810=2.5
812.5-775=37.5
1120-812.5=307.5
905-812.5=92.5
812.5-775=37.5
Find the mean.
137.5+192.5+267.5+2.5+37.5+307.5+92.5+37.5=1075
1075/8≈134.38
This means that 134.38 is $134.38
Ответ:
MAD
To find the MAD of the data, you must first find the mean. To do this, simply add all the numbers up and divide by the number of data values.
950+620+545+810+775+1120+905+775=812.5
So the mean is 812.5 ($812.5).
The final step to finding the MAD is to difference between each data value and the mean.
|950-812.5| + |620-812.5| + |545-812.5| + |810-812.5| + |775-812.5| + |1120-812.5| + |905-812.5| + |775-812.5|
137.5 + 192.5 + 265.5 + 2.5 + 37.5 + 307.5 + 92.5 + 37.5/8
1073/8=9.625
So, 134.125 is the answer.
BUT... the question said round to the nearest cents. So, it's 13413 cents.
Ответ:
20
Step-by-step explanation:
Factors of 20 ; 1,2,4,5,10, 20.
Factors of 60:1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60
Factors of 100:1,2,4,5,10,20,25,50,100
The greatest common factor they all share is 20