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# of coursesFrequencyRelative frequency cumlative frequancy 1200.4 215  3   What/ how do I fill in the blanks?

Question
# of courses Frequency Relative frequency  cumlative frequancy 
1 20 0.4  
2 15    
3      

What/ how do I fill in the blanks?

check_circleAnswer
Step 1

Relative frequency can be calculated by dividing the individual frequency in an interval by total number of data values. As relative frequency for first interval is given along with individual frequency, total number of data values can be calculated as shown below.

Relative frequency Individual Frequency in an interval
Total number of data values
Individual Frequency in an interval
Relative frequency
Total number of data values
20
0.4
- 50
||
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Relative frequency Individual Frequency in an interval Total number of data values Individual Frequency in an interval Relative frequency Total number of data values 20 0.4 - 50 ||

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Step 2

Total number of data values have been calculated as 50. 

We know that Sum of frequencies = Total number of data values

Therefore, last value under Frequency column can be calculated as 50 -(20+15) = 15

Remaining rel...

D
Relative frequency
cumlative frequency
# of courses
Frequency
20
0.4
C4/C6
-C5/ C6
-C3
- E3+C4
E4+C5
1
3
2
15
C6-( C3+ C4 )
3
5
C3/D3
6
Total
1
Relative frequency
Frequency
cumlative frequency
# of courses
20
0.4
0.3
0.3
1
20
3
2
15
35
15
3
50
Total
50
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D Relative frequency cumlative frequency # of courses Frequency 20 0.4 C4/C6 -C5/ C6 -C3 - E3+C4 E4+C5 1 3 2 15 C6-( C3+ C4 ) 3 5 C3/D3 6 Total 1 Relative frequency Frequency cumlative frequency # of courses 20 0.4 0.3 0.3 1 20 3 2 15 35 15 3 50 Total 50

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