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Question
Suppose one makes a survey of 20 families in the colony and find out the number of children in each family. The number of children in each family are 2, 2, 2, 3, 1, 1, 2, 3, 2, 2, 1, 2, 2, 3, 1, 2, 1, 1, 3, 2 .State the frequency of each observation and also draw the tally chart. [3 MARKS]
Suppose one makes a survey of 20 families in the colony and find out the number of children in each family. The number of children in each family are 2, 2, 2, 3, 1, 1, 2, 3, 2, 2, 1, 2, 2, 3, 1, 2, 1, 1, 3, 2 .State the frequency of each observation and also draw the tally chart. [3 MARKS]
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Solution
State Frequency: 1 Mark
Tally Chart: 2 Marks
1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3.
In the data,
1 occurs 6 times
2 occurs 10 times
3 occurs 4 times
State Frequency: 1 Mark
Tally Chart: 2 Marks
1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3.
In the data,
1 occurs 6 times
2 occurs 10 times
3 occurs 4 times
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