Lisa descended 120 feet into a cave. She then climbed up 56 feet. If her starting point was 38 feet below sea level at the mouth
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Answer: The range of the set of numbers is 46 and the standard deviation is 14.44 .
Explanation:
In is given that the observations are 65, 59, 43, 43, 40, 63, 71, 77, 31, 64.
From given data it is noticed that the highest observation is 77 and the lowest observation is 31.
Range = Highest observation - Lowest observation
Range = 77 - 31 = 46
To find the standard deviation, first we have to find the mean.
Total of the observations is 556 and number of observation is 10.
Formula fr standard deviation is,
To find the above values form a table as shown below.
Therefore, the range of the set of numbers is 46 and the standard deviation is 14.44 .
