a. Fill the following table and provide evident that you ask 6 students. ent # 1 2 3 4 4 2 2.5 1.5 b. Calculate all central tendency measurements of the time. c. Calculate all dispersion measurements of the time.

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2- Please I want solution of all subpart questions.Thanks

Fill the following table and provide evident that you ask 6 students.
a.
Student #
1
2
3
4
6
Hours
4
2
2.5
1.5
b. Calculate all central tendency measurements of the time.
c. Calculate all dispersion measurements of the time.
Transcribed Image Text:Fill the following table and provide evident that you ask 6 students. a. Student # 1 2 3 4 6 Hours 4 2 2.5 1.5 b. Calculate all central tendency measurements of the time. c. Calculate all dispersion measurements of the time.
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Working
X (x-xbar)^2
0 5.444444
1 1.777778
1.5 0.694444
2.5 0.027778
4 2.777778
5 7.111111
Central Tendency

The mean is given by

x = 1nx

x =146 =2.333

 

The median is given by

MD = (N+12)thvalue

MD = (6+12)thvalue

MD = (3.5)thvalue

MD = (3)thvalue + 0.5((4)thvalue -(3)thvalue)

MD = 1.5 + 0.5(2.5-1.25)

MD= 2

 

 Mode 

There is no mode in the data.

 

The Quartile 1 is given by

Q1 = (N+14)thvalue

Q1= (6+14)thvalue

Q1 = (1.75)thvalue

Q1 = (1)thvalue + 0.75((2)thvalue -(1)thvalue)

Q1 = 0 + 0.75(1-0)

Q1= 0.75

 

 

The Quartile 3 is given by

Q3 = 3(N+14)thvalue

Q3=3(6+14)thvalue

Q3 = (5.25)thvalue

Q3 = (5)thvalue + 0.25((6)thvalue -(5)thvalue)

Q3 = 4 + 0.25(5-4)

Q3= 4.25

 

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