निम्नलिखित के माध्य तथा प्रसरण निकालें ।
65, 58, 68, 44, 48, 45, 60, 60, 62, 50

What is the difference between the mean and median of the given data ? निम्नलिखित आँकड़ों के माध्य तथा माधियका के बीच कितना अंतर है : 5, 7, 8, 13, 12, 14, 9, 2, 26, 10?

Find the variance and standard deviation for the following data : 65, 58, 68, 44, 48, 45, 60, 62, 60, 50.

Find the variance for the following data : 65,58,68,44,48,45,60,62,60,50

The weight (in grams) of 50 oranges, picked at random from a basket of oranges are given below: 35, 45, 55, 50, 30, 110, 95, 40, 70, 100, 60, 80, 85, 60, 52, 95, 98, 35, 47, 45, 105, 90, 30, 50, 75, 95, 85, 80, 35, 45, 40, 50, 60, 65, 55, 45, 30, 90, 115, 65, 60, 40, 100, 55, 75, 110, 85, 95, 55, 50.construct a grouped frequency distribution table

Find the median of the given data set : 42, 45, 58, 87, 45, 54, 65, 12, 25, 25, 59, 60

The weights of 50 custard apples are given below . ( In grams ) 35 , 40 , 45 , 40 , 50 , 55 , 60 70 , 75 , 80 , 90 , 94 , 45 , 60 , 65 , 35 , 65 , 35 , 25 , 24 , 34 , 45 , 54 , 63 , 72 , 85 , 99 , 36 , 65 , 49 , 84 , 73 , 54 , 43 , 44 , 23 , 33 , 43 , 53 , 63 , 73 , 83 , 93 , 44 , 55 , 65 , 74 , 89 , 77 , 60 Construct a grouped frequency distribution table with classes 20 – 30 , 30 – 40 , ……………………………… 90 – 100 .

(a)Find the variance and standard deviation for the following data : 65,58,68,44,48,45,60,62,60,50 (b)The scores of batsman A were : 48,80,58,44,52,65,73,56,64,50 Find the variance.

The daily wages of 30 workers (in Rs.) in a factory is given below. 40, 45, 35, 70, 60, 52, 49, 46, 65, 56, 60, 35, 45, 40, 50, 56, 57, 48, 55, 52, 50, 70, 75, 80, 50, 45, 52, 65, 72, 50. How many workers are earning less than Rs. 50 per day ?