Q1MathsUnit 13: Statistics and Probability
Which one of the following statements
is not correct with reference to a
histogram?
Mathematics · JEE
Measures of dispersion; calculation of mean, median, mode of grouped and ungrouped data Revision for JEE
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Revision checklist
- 1.Core idea: Measures of dispersion; calculation of mean, median, mode of grouped and ungrouped data
- 2.Relates to other subtopics in Statistics and Probability
- 3.Mean, median, mode, standard deviation
- 4.Addition and multiplication probability
- 5.Master Measures of dispersion; calculation of mean, median, mode of grouped and ungrouped data definitions and standard results
- 6.Solve 20 timed MCQs for Measures of dispersion; calculation of mean, median, mode of grouped and ungrouped data
Syllabus context
Part of Statistics and Probability in JEE Main Mathematics.
- 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
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?
Q3MathsUnit 13: Statistics and Probability
The largest of 50 measurements is 3.84
kg. If the range is , find the smallest measurement.
Q4MathsUnit 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?
Q5MathsUnit 13: Statistics and Probability
The width of each of five continuous
classes in a frequency distribution is 5 and the lower class limit of the lowest
class is 10 The upper class limit of the highest class is
Q6MathsUnit 13: Statistics and Probability
If the mode of a distribution is 18 and
the mean is 24 , then median is
Q7MathsUnit 13: Statistics and Probability
The arithmetic mean of 5,6,8,9,12,13
17 is
Q8MathsUnit 13: Statistics and Probability
Consider the following statements in respect of histogram:
1. Histogram is an equivalent graphical
representation of the frequency
distribution.
2. Histogram is suitable for continuous random variables, where the total
frequency of an interval is evenly distributed over the interval.
Which of the statements given above is/are correct?
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