If a certain sample of data has a mean of 18.0 and the value 26.0 is more than 2.5 standard deviations from the mean, which of the following could be the standard deviation of the sample
Choose the correct option
A) 3.75	B) 3.5	C) 3.15	D) 3.85	E) 2.75
26.0 is more than 2.5 standard deviations from 18 --&gt; 26 &gt; 18 + 2.5*{SD} --&gt; 2.5*{SD} &lt; 8 --&gt; {SD} &lt; 3.2. Only option C offers the standard deviation less than 3.2.   Answer:3.15
<result>C</result>
If a certain sample of data has a mean of 18.0 and the value 26.0 is more than 2.5 standard deviations from the mean, which of the following could be the standard deviation of the sample