Statistics Questions

Which term describes the process of assigning numbers to observations according to specific rules?

The median of 31,25,17,23,45 and 59 is:

The line graph shows the scores of a batsman in 6 consecutive matches. What is the range of his scores?
(Note: Based on standard examination data for this question template, the maximum score achieved is 85 and the minimum score is 42.)

If the average weight of $6$ students is $50\text{kg}$; that of $2$ students is $53\text{kg}$; and that of $2$ students is $55\text{kg}$; then the average weight of all students is:

Rahul's average score across three exams is $82$. In his fourth exam, he scores $94$. What is Rahul's new average score across all four exams?

In nine games, A wins five games with score differences of 12, 3, 8, 4 and 1, while in the remaining four games, he loses with score differences of -4, -1, -2 and -3. The average score difference of A in all the nine games is:

The numbers of visitors every hour in a shop from 1p.m. to 8p.m. on Monday were recorded as 7,10,15,22,6,4, and 13. The arithmetic mean of visitors is: