Measures of Cen...

Mean of $$9$$ observations was founded to be $$35$$. Later on, it was detected that an observation $$81$$ was misread as $$18$$, then the correct mean of the observations is ____________.

The median of the observations $$30, 91, 0, 64, 42, 80, 30, 5, 117, 71$$ is __________.

The mode of the following numbers is-
$$15, 14, 19, 20, 14, 15, 16, 14, 15, 18, 14, 19, 15, 17, 15$$.

 The ______  is the middle element when the data set is arranged in order of the magnitude.

The mean salary paid per week to $$1000$$ employees of an establishment was found to be Rs. $$900$$. Later on, it was discovered that the salaries of two employees were wrongly recorded as Rs. $$750$$ and Rs. $$365$$ instead of Rs. $$570$$ and Rs. $$635$$. Find the corrected mean salary.

Mode of $$2,4,6,3,4,3,3,4,4,2$$ will be:

Find the arithmetic mean of numbers from $$1$$ to $$9$$.

Find the median of the following data.

In a moderately a symmetrical distribution- The mean and mode are $$50$$ and $$37.5$$ respectively, find median.

It is not uncommon in a median: