Data Interpretation
Practice Data Interpretation MCQs from Statistics — Mathematics.
In a class of 40 students, 10 failed. What is the angle in a pie chart representing the number of passed students?
If the sum of observations is 500 and the mean is 25, how many observations are there?
Which of the following classes is the median class for a distribution where N=100 and CF for classes (0-10, 10-20, 20-30, 30-40) are (10, 35, 65, 85)?
What is the mode of a continuous series? It is the value in the class with the:
In a data interpretation task, if the 'Less than' ogive and 'More than' ogive intersect at (30, 50), what is the median?
A cricketer scores 40, 50, 60, 0, and 100 runs in five matches. What is his mean score?
If the mean of x, x+3, x+6, x+9, x+12 is 10, find x.
In a frequency distribution table, what is the mid-value of class 25 - 35?
What is the formula for the position of the Upper Quartile (Q3) in a discrete series with N items?
If the arithmetic mean of 10 items is 20 and the mean of 20 items is 10, what is the combined mean of all 30 items?
What is the coefficient of range for a data set with Max = 100 and Min = 20?
In a bar graph, if a bar of length 8 cm represents 400 units, what length will represent 1000 units?
If the mean of a group of observations is 50, and later it's discovered that an observation of 60 was misread as 40, what will happen to the mean after correction?
The median of 11, 12, 14, 18, x, 22, 25, 28 (arranged in ascending order) is 20. Find x.
What is the relationship between the three quartiles and the median?
If the frequencies of classes 0-10, 10-20, 20-30 are 5, 8, 7, what is the 'more-than' cumulative frequency for class 10?
The width of each bar in a bar chart depends on:
For a data set with N=15, what is the position of the median?
Which of the following is the most suitable diagram to represent the percentage composition of gases in the atmosphere?
In a frequency table, if the sum of f*x is 240 and the sum of f is 12, what is the mean?