Respuesta :
The correct answer is the last one, that the 3rd nap is the least consistent in duration because its standard deviation is the highest.
Standard deviation is a measure of variation from the mean; it tells how different values are from the mean. For that nap to have a higher standard deviation means that its values were on average more different from the mean than the others.
Standard deviation is a measure of variation from the mean; it tells how different values are from the mean. For that nap to have a higher standard deviation means that its values were on average more different from the mean than the others.
The correct answer is the last one, that the 3rd nap is the least consistent in duration because its standard deviation is the highest.
We have given that,
A mother tracks the duration of her baby's three daily naps for a few weeks. The mean time, in minutes, and the standard deviation, SD, for each nap are recorded in the table below.
What is the standard deviation?
Standard deviation is a measure of variation from the mean; it tells how different values are from the mean.
For that nap to have a higher standard deviation means that its values were on average more different from the mean than the others.
To learn more about the standard deviation visit:
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