Statistics

Statistics is a branch of applied mathematics that involves the collection, description, analysis, and inference of conclusions from quantitative data.

Mean

1.1

Q: find the mean of following data.

Practice
1.2

Q: If the mean of the following frequency distribution is 37.04 , find the value of f₁.

Practice
1.3

Q: The mean of the following frequency distribution is 39.93 and the sum of all frequency is 29 find the value of f₁ and f₂.

Practice
1.4

Q: Find the mean of following data.

Practice
1.5

Q: Using the assumed-mean method, find the mean of following data.

Practice
1.6

Q: Using the assumed-mean method, find the mean of following data.

Practice
1.7

Q: Using the assumed-mean method, find the mean of following data.

Practice
1.8

Q: Using the step-deviation method, find the mean of following data.

Practice
1.9

Q: Using the step-deviation method, find the mean of following data.

Practice

Median

2.1

Q: Find the median daily wages from the following frequency distribution.

Practice
2.2

Q: Find the missing frequency in the following frequency distribution table, if median is 35.85 and n (=N/2) = 20

Practice
2.3

Q: Find the missing frequency in the following frequency distribution table, if N = 98 and median is 39 ,

Practice

Mode

3.1

Q. Calculate the mode for the following frequency distribution:

Practice
3.2

Q: Given below is the frequency distribution of the heights of players in a school.

Practice
3.3

Q.The mode of following series is 62.3, Find the missing frequency x.

Practice