Statistics
Practice Statistics MCQs from the Mathematics syllabus.
If the mode of a dataset is 5 and the mean is 5, the median is:
The sum of frequencies in a frequency distribution is 50. What is 'N'?
What is the first quartile (Q1) of 1, 2, 3, 4, 5?
In a frequency distribution, the sum of all probabilities (relative frequencies) is:
The difference between the upper and lower limits of a class is:
If the mean of 5 numbers is 10, what is the sum?
Which value occurs most often in a dataset?
If the mean of 10, 15, x, 20, 25 is 18, find x.
The mean weight of 6 boys is 48 kg. If one boy weighing 40 kg leaves, what is the new mean?
If Q1 = 10 and Q3 = 30, find the Quartile Deviation.
A student scored 60, 70, and 80 in three tests. What score does he need in the fourth test to have a mean of 75?
If the mean of 5 observations is 15 and the mean of 10 other observations is 20, the combined mean is:
In a data set of 10 students' marks: 40, 45, 50, 50, 60, 65, 70, 75, 80, 85, what is the range of the marks?
If the total number of items in a frequency distribution is 50, what is the position of the median?
In a pie chart, a category represents 25% of the total data. What is the central angle of its sector?
Which of the following values is the mode of the data: 5, 8, 5, 12, 15, 8, 8, 20?