Mean of Ungrouped Data

Find the mean of $\sec 60°,cosec30°\text{ and }\tan 45°$

If the Arithmetic mean of $(x-3), (x+2), (x+8), 2x$ and $(x-3)$ is $8$. Then find the value of $x$.

The height(in $\mathrm{cm}$) of students in a class is given below:

$150,151,152,155,164,166,155,156,151,151,157,159,161,168,169,162,163,157,154,$

Find the class interval (in $\mathrm{cm}$) with highest frequency?

The height(in $\mathrm{cm}$) of students in a class is given below:

$150,151,152,155,164,166,155,156,151,151,157,159,161,168,169,162,163,157,154,$

Find the class interval with lowest frequency?

The height(in $\mathrm{cm}$) of students in a class is given below:

$150,151,152,155,164,166,155,156,151,151,157,159,161,168,169,162,163,157,154,$

Arrange the data in a frequency distribution table and find the range

Find the class interval of given frequency distribution table:

The following table shows the number of students and the time they utilised daily for their studies. Find the mean time (in $\mathrm{hours}$), spent by students for their studies:

Find the mean age of $100$ residents of a colony from the following data.

The following table shows the number of students and the time they utilised daily for their studies. Find the mean time (in $\mathrm{hours}$), spent by students for their studies:

Find the mean of the following frequency distribution:-

Define Arithmetic mean and give their two demerits.

Find the arithmetic mean from the following frequency distribution:

Find the arithmetic mean of the following distribution:

Find the arithmetic mean of the following distribution:

Find the arithmetic mean of the following distribution

Find the arithmetic mean of the following distribution

 Give difference between arithmetic mean and weighted arithmetic mean

Positional mean is:

In the following table, the age distribution of patients of a disease in a particular year is given. Find the average age (in years) per patient.

Find the mean of the following distribution by taking assumed mean as $25$.