Jason and his children went into a movie theater where they sell drinks for $4 each and pretzels for $5 each. Jason has $65 to s
2 answers:
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Answer:
The range is 77.
The variance is 739.8.
The standard deviation is 27.2.
Step-by-step explanation:
The data provided, in ascending order is as follows:
S = {11 , 14 , 23 , 31 , 40 , 60 , 63 , 68 , 75 , 77 , 88}
The range of a data set is the difference between the maximum and minimum values.
From the above data set we know,
Maximum = 88
Minimum = 11
Compute the range as follows:
Range = Maximum - Minimum
= 88 - 11
= 77
The range is 77.
Compute the mean of the data as follows:
Compute the variance as follows:
The variance is 739.8.
Compute the standard deviation as follows:
The standard deviation is 27.2.