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Mathematics
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김유미 김유미
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6 Slides • 1 Question
1
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WHAT IS CUMULATIVE FREQUENCY?
Cumulative frequency is used to determine the number of observations that lie above (or below) a particular value in a data set.
The cumulative frequency is calculated using a frequency distribution table, which can be constructed from stem and leaf plots or directly from the data.
The cumulative frequency is calculated by adding each frequency from a frequency distribution table to the sum of its predecessors.
The last value will always be equal to the total for all observations, since all frequencies will already have been added to the previous total.
2
What is the first frequency?
Add all the frequencies starting from the first.
3
Please copy the table.
4
Divide n by 2.
The median class is the class interval that is equal to n/2 found on cumulative frequency column.
If there's no equal, take the number greater than n/2 on cumulative frequency column.
5
Please COPY!!!
6
Please copy.
7
COPY!!!
COPY!!!
WHAT IS CUMULATIVE FREQUENCY?
Cumulative frequency is used to determine the number of observations that lie above (or below) a particular value in a data set.
The cumulative frequency is calculated using a frequency distribution table, which can be constructed from stem and leaf plots or directly from the data.
The cumulative frequency is calculated by adding each frequency from a frequency distribution table to the sum of its predecessors.
The last value will always be equal to the total for all observations, since all frequencies will already have been added to the previous total.
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