Do as indicatedi need the answer for the following A sample

Do as indicated.i need the answer for the following

A sample of MATH 117 Lab Work 1 results in Semester352 was obtained. The data are as follows: 9.2 3.4 7.8 6.5 8.6 9.4 6.0 7.3 4.1 2.8 6.5 7.9 8.9 Find the following: mean median mode range first quartile third quartile interquartile range 35th percentile 71st percentile For the following, round off answers to two decimal places.| J. variance

Solution

a)

Getting the mean, X,      
      
X = Sum(x) / n      
Sum(x) =    88.4  
As n =    13  
Thus,      
X =    6.8   [ANSWER]

b)

Ordering,

2.8
3.4
4.1
6
6.5
6.5
7.3
7.8
7.9
8.6
8.9
9.2
9.4

Thus, the median is the 7th entry,

Median = 7.3 [ANSWER]

c)

Here, the most frequent occurence is

Mode = 6.5 [ANSWER]

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d)

Range = max - min = 9.4 - 2.8 = 6.6 [ANSWER]

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