Find the median of the observations, 59, 85, 68, 70,74,75, 80.

Find the median of the observations,59, 75, 68,70, 74, 75, 80.

Find the median of the given data : 58 , 74 , 69 , 70 , 73 , 74 , 80 .

Find the mean of the following data : 40, 50, 65, 70, 75

Find the median of the given data : 50 , 70 , 90 , 94 , 40 , 65 , 70 , 80 , 85 , 95 .

There are 10 observations arranged in ascending order as given below: 45, 47, 50, 52, x,x+2,60, 62, 63, 74. The median of these observations is 53.Find the value of x.Also find the mean and the mode of the data?

The mean of observations 18, 14, 15, 19, 15, a12, 15, 16 is 16. Find the value of a. Also, find the median and mode.

There are 68 students of 9th standard from Model High school, Nandpur. They have scored following marks out of 80, in written exam of mathematics.70, 50, 60, 66, 45, 46, 38, 30, 40, 47, 56,68, 80, 79, 39, 43, 57, 61, 51, 32, 42, 43,75, 43, 36, 37, 61, 71, 32, 40, 45, 32, 36,42, 43, 55, 56, 62, 66, 72, 73, 78, 36, 46,47, 52, 68, 78, 80, 49, 59, 69, 65, 35, 46,56, 57, 60, 36, 37, 45, 42, 70, 37, 45, 66,56, 47 By taking classes 30-40, 40-50, less than type cumulative frequency table. Using the table, answer the following questions How manystudents, have scored marks less than 80?