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If the mean of a data set is 10 and the coefficient of variation is 20%, what is the standard deviation?
In which data series is the formula for median position (N/2) used instead of (N+1)/2?
Which of the following describes 'Data Interpretation'?
If the sum of frequencies is 40 and the cumulative frequency up to the third class is 18, what is the 'more-than' frequency for the fourth class onwards?
The mean of 1, 2, 3, ..., n is given by the formula:
A class has 20 boys and 30 girls. The mean height of boys is 150 cm and girls is 140 cm. What is the mean height of the whole class?
The following is a list of shoe sizes: 5, 6, 7, 7, 8, 9. If a shoe size of 7 is added, which measure will definitely change?
A circle in a pie chart is divided into 3 sectors. Two sectors are 120 and 150 degrees. What is the angle of the third sector?
What is the mode of the first 10 prime numbers?
In a distribution, if the mean is 25 and the median is 25, the distribution is most likely:
Which of the following is equal to the 50th percentile?
What is the median of the data: 15, 7, 22, 11, 4, 19?
In a class, the marks obtained by 5 students are 20, 20, 30, 40, 50. What is the value of the mode?
If the mean of 10, 12, 18, 20, p is 15, find p.
The median of a continuous series is 30. The median class is 20-40, frequency of median class is 10, CF of preceding class is 5, and class width is 20. Find N.
If the modal class is 40-50, which of the following is the mode definitely NOT?
In a pie chart representing marks (Total = 600), Science marks are 120. What is the angle?
If the less-than ogive and more-than ogive intersect, the y-coordinate represents:
What is the mode of the data: 2, 3, 3, 4, 4, 4, 5, 5?