Statistics

If the mode of a data is 18 and the mean is 18, what is the median?

The width of the class interval 10-20 is:

What is the mean of 0, 0, 0, 10, 10?

Which measure is most affected by extreme values (outliers)?

In an ogive, the x-axis represents:

Find the mean: 1.5, 2.5, 3.5, 4.5.

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?

The mean of first five even natural numbers is:

Calculate the mean of the following discrete data: x=10, f=2; x=20, f=3.

If the mean of 4, 7, x, 9 is 7, find the value of x.

The mean marks of 20 students is 45 and the mean marks of another 30 students is 50. Find the combined mean.

Find the median for the frequency distribution: Marks: 10, 20, 30; Frequency: 2, 5, 3.

In a class, the ratio of boys to girls is 3:2. If the mean weight of boys is 50kg and girls is 40kg, the mean weight of the whole class is:

If the median of the data arranged in ascending order: 10, 12, 14, x-1, x+1, 20, 22, 25 is 17, find x.

Find the lower quartile (Q1) for the data: 15, 20, 25, 30, 35, 40, 45, 50, 55, 60.