Tamil Nadu Board Solutions for Chapter: Statistics, Exercise 7: Exercise

Find the median of the given values : $47, 53, 62, 71, 83, 21, 43, 47, 41$.

Find the median of the given data: $36, 44, 86, 31, 37, 44, 86, 35, 60, 51$

The median of observation $11, 12, 14, 18, x+2, x+4, 30, 32, 35, 41$ arranged in ascending order is $24$. Find the value of $x$.

A researcher studying the behaviour of mice has recorded the time (in seconds) taken by each mouse to locate its food by considering $13$ different mice as $31, 33, 63, 33, 28, 29, 33, 27, 27, 34, 35, 28, 32$. Find the median time that mice spent in searching its food.

The following are the marks scored by the students in the Summative Assessment.

Calculate the median.

The mean of five positive integers is twice their median. If four of the integers are $3, 4, 6, 9$ and median is $6$, then find the fifth integer.

Find the mean for the following frequency table: