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jasmin5285
18.07.2019 •
Mathematics
The means and mean absolute deviations of sidney’s and phil’s grades are shown in the table below. means and mean absolute deviations of sidney’s and phil’s grades sidney phil mean 82 78 mean absolute deviation 3.28 3.96 which expression represents the ratio of the difference of the two means to sidney’s mean absolute deviation?
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Ответ:
To find the difference between the two means, we just need to subtract the means of their grades. That is 82-78 or 4.
Therefore, the ratio of the difference of the two means to Sidney’s mean absolute deviation is
Ответ:
C) 12.
Step-by-step explanation:
Given : if the number is 4. the difference between a number squared and the number.
To find : Evaluate the expression described below.
Solution : We have given
Number = 4 .
According to question :
difference between a number squared and the number.
Number squared = (4)².
Number = 4
Then Difference = (4)² - 4.
Difference = 16 - 4.
Difference = 12.
Therefore, C) 12.