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In a bar chart, if the total frequency is 100 and a bar height is 25, what percentage does it represent?
What is the range of the following data: 102, 98, 105, 110, 95?
If the mean of x and 1/x is M, what is the mean of x^2 and 1/x^2?
What is the median of the first 7 natural numbers?
If the sum of 20 observations is 400, their mean is:
In a pie chart, a component representing 50% of the data has a central angle of:
Which of the following is NOT a measure of central tendency?
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?