Question Text
Question 1 :
What is the modal value for the numbers $5, 8, 6, 4, 10, 15, 18, 10$?
Question 2 :
The average of a collection of $ 20$ measurements was calculated to be $56$ cm. But later it was found that a mistake occured in one of the measurements which was recorded as $ 64$ cm but should have been $ 61$ cm. What is the correct average?
Question 3 :
If $x$ is the average (arithmetic mean) of $m$ and $9, y$ is the average of $2m$ and $15$ and $z$ is the average of $3m$ and $18$, what is the average of $x, y$ and $z$ in terms of $m$ ?
Question 5 :
When there are 2 observations in the middle, median is calculated by ______.
Question 6 :
The mean of 100 numbers is 45. The mean of the last 99 numbers is 44. The first number is
