Q1MathsUnit 13: Statistics and Probability
Which one of the following statements
is not correct with reference to a
histogram?
Mathematics · JEE
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Subtopics in Statistics and Probability
- Measures of dispersion; calculation of mean, median, mode of grouped and ungrouped data
- Calculation of standard deviation, variance and mean deviation for grouped and ungrouped data
- Probability: Probability of an event, addition and multiplication theorems of probability
- Baye's theorem, probability distribution of a random variable
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Q2MathsUnit 13: Statistics and Probability
In an experiment with 15 observations
on then following results were
available:
One observation that was 20 was found
to be wrong and was replaced by the
correct value Then the corrected
variance is:
Q3MathsUnit 13: Statistics and Probability
Study the following bar chart and
answer the questions based on it. The histogram below shows the marks
of 50 students in an examination.
Examine the diagram and answer the
questions.
If the minimum marks for passing is 40
then what percentage of students have
failed in the examination?
Q4MathsUnit 13: Statistics and Probability
The largest of 50 measurements is 3.84
kg. If the range is , find the smallest measurement.
Q5MathsUnit 13: Statistics and Probability
The probability of an even happens in one trial of an experiment is Three independent trials of the experiments are performed. Find the probability that the event A happens at least once.
Q6MathsUnit 13: Statistics and Probability
What is the percentage change in the
overall sales turnover of the five
companies together between 2001
2002 and 2002 - 2003?
Q7MathsUnit 13: Statistics and Probability
If and are independent events such that then
This question has multiple correct options
Q8MathsUnit 13: Statistics and Probability
Mr. Dixit resigned from the company after 4 years of service.
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