Q41Written answer
In the experiment of tossing a coin one time, the outcome is either or
.
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Solution:-
In the experiment of tossing a coin one time, the outcome is either Head or Tail.
NCERT Exemplar · Class 8 · Maths
Chapter 2: Data Handling
Practice each question, then open the answer or worked solution.
Some questions are missing from the current source. Exercise · Page 42: questions 88 missing from source
Exercise · Page 42
Textbook page 42 · 115 questionsQ42Written answer
When a dice is rolled, the six possible outcomes are .
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Solution:-
When a dice is rolled, the six possible outcomes are 1, 2, 3, 4, 5 and 6.
Q43Written answer
Each outcome or a collection of outcomes in an experiment makes an .
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Solution:-
Each outcome or a collection of outcomes in an experiment makes an Event.
Q44Written answer
An experiment whose outcomes cannot be predicted exactly in advance is called a
experiment.
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Solution:-
An experiment whose outcomes cannot be predicted exactly in advance is called a random experiment.
Q45Written answer
The difference between the upper and lower limit of a class interval is called the
of the class interval.
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Solution:-
The difference between the upper and lower limit of a class interval is called the
Size/width of the class interval.
Q46Written answer
The sixth class interval for a grouped data whose first two class intervals are 10 – 15 and 15 – 20 is .
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Solution:-
The sixth class interval for a grouped data whose first two class intervals are 10 – 15 and 15 – 20 is 35 – 40.
Q47Written answer
The total number of people surveyed is .
Histogram given on the right shows the number of
people owning the different number of books.
Answer 47 to 50 based on it
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Solution:-
Form the Histogram,
The total number of people surveyed is 35.
Q48Written answer
The number of people owning books more than
Histogram given on the right shows the number of
people owning the different number of books.
Answer 47 to 50 based on it
60 is .
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Solution:-
The number of people owning books more than
60 is 8.
Q49Written answer
The number of people owning books less than
Histogram given on the right shows the number of
people owning the different number of books.
Answer 47 to 50 based on it
40 is .
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Solution:-
The number of people owning books less than 40 is 22.
Q50Written answer
The number of people having books more than 20 and less than 40 is .
Histogram given on the right shows the number of
people owning the different number of books.
Answer 47 to 50 based on it
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Solution:-
The number of people having books more than 20 and less than 40 is 14.