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The median of a set of 10 observations is the average of which two terms when arranged in order?
What is the formula for the class mark of a class interval?
If the mean of x, x+2, x+4 is 12, what is the value of x?
In a frequency distribution, the sum of frequencies is denoted by:
The mean of 10 items was found to be 15. If each item is increased by 2, what is the new mean?
Calculate the mean of the squares of the first three natural numbers.
A cumulative frequency curve is also known as:
What is the lower quartile (Q1) of the data: 2, 4, 6, 8, 10, 12, 14?
If the mode of a data is 18 and the mean is 18, what is the median?
Which measure is most affected by extreme values (outliers)?
The middle value of a sorted data set is called:
If the sum of 10 observations is 150, what is the mean?
What is the upper quartile (Q3) position in a dataset of 11 items?
If the data is 5, 5, 5, 5, 5, what is the range?
In a pie chart, a 90-degree sector represents what fraction of the total?
Which graph is used to find the median of a frequency distribution visually?