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Owner: zairexp3
Created: Sep 17, 2019
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2.2 Class activity
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Our 2.2 Stats Class acitivity

Data set 1. Class Activity 2.2 - Quantitative Data   [Info]
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Below is my stem and leaf display of the scores that 32 students recieved on their Algebra exams.

 

Result 1: Stem and Leaf Plot Algebra exam   [Info]

Variable: Scores of 32 students on an algebra exam



Decimal point is 1 digit(s) to the right of the colon.
Leaf unit = 1
4 : 578
5 : 1
5 : 6
6 : 4
6 : 589
7 : 114
7 : 556669
8 : 2233
8 : 668
9 : 01224
9 : 68

Below is my stem and leaf display for the ages of the 54 wealthiest people in the world

Result 2: Stem and Leaf Plot Ages of wealthy ind.   [Info]

Variable: Ages of the 54 wealthiest individuals in the world



Decimal point is 1 digit(s) to the right of the colon.
Leaf unit = 1
3 : 14
3 : 6
4 : 123334
4 : 6
5 : 0011124
5 : 56889999
6 : 012222
6 : 68889
7 : 1122334
7 : 555679
8 : 1224
8 : 8

 

Below is my frequency distribution chart for the scores that 32 students recieved on their Algebra exams.

 

Result 3: Frequency Table algebra exam   [Info]

Frequency table results for Scores of 32 students on an algebra exam:


Count = 32
Scores of 32 students on an algebra examFrequency
40 to 503
50 to 602
60 to 704
70 to 809
80 to 907
90 to 1007

Below is my frequency distribution chart for the ages of the 54 wealthiest people in the world.

 

Result 4: Frequency Table Ages of wealthy ind.   [Info]

Frequency table results for Ages of the 54 wealthiest individuals in the world:


Count = 54
Ages of the 54 wealthiest individuals in the worldFrequency
30 to 403
40 to 507
50 to 6015
60 to 7011
70 to 8013
80 to 905

Below is my relative frequency distribution chart for the scores that 32 students recieved on their Algebra exams.

 

Result 5: Relative Frequency Table algebra exam   [Info]

Frequency table results for Scores of 32 students on an algebra exam:


Count = 32
Scores of 32 students on an algebra examRelative Frequency
40 to 500.09375
50 to 600.0625
60 to 700.125
70 to 800.28125
80 to 900.21875
90 to 1000.21875

Below is my relative frequency distribution chart for the ages of the 54 wealthiest people in the world.

 

Result 6: Relative Frequency Table Ages of wealthy ind.   [Info]

Frequency table results for Ages of the 54 wealthiest individuals in the world:


Count = 54
Ages of the 54 wealthiest individuals in the worldRelative Frequency
30 to 400.055555556
40 to 500.12962963
50 to 600.27777778
60 to 700.2037037
70 to 800.24074074
80 to 900.092592593

Below is my histogram for the scores that 32 students recieved on their Algebra exams.

Result 7: Histogram for algebra exam   [Info]
Right click to copy

 

Below is my histogram for the ages of the 54 most wealthy people in the world.

Result 8: Histogram for Ages of wealthy ind.   [Info]
Right click to copy

 

 

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