40 इंजीनियरों की उनके आवास से कार्य-स्थल की (किलोमीटर में ) दूरियाँ ये है :
`{:(5,3,10,20,25,11,13,7,12,31),(19,10,12,17,18,11,32,17,16,2),(7,9,7,8,3,5,12,15,18,3),(12,14,2,9,6,15,15,7,6,12):}`
0 - 5 को (जिसमे 5 सम्मिलित नहीं है) पहला अंतराल लेकर ऊपर दिए हुए आंकड़ों से वर्ग-माप 5 वाली एक वर्गीकृत बारम्बारता बंटन सारणी बनाइए । इस सारणीबद्ध निरूपण में आपको कौन-से मुख्य लक्षण देखने को मिलते है?

If A=(2,3,4,6,7,9,10,12),B=(1,3,5,8,9,10,11,15),C=(3,4,7,10,11,13,15) and mu-(1,2,3,. . .. .,15) , then find (A cup B cupC) '.

The marks of 20 students out of 25 are given below {:(12,17,22,7,11,19,24,18,4,8),(23,2,5,15,21,16,11,9,12,17):}

Find the median of (i) 7, 11, 25, 45, 23, 12, 11, 9, 10 (ii) 15, 14, 11, 9, 7, 12, 18, 20 (iii) 8, 7, 9, 12, 8, 17, 15, 10 (iv) 14, 18, 12, 9, 3, 5, 11, 11, 19, 2

If 2A-3B={:((-27,4,5),(7,6,-15)):}and5A-2B={:((-40,-1,18),(12,15,-21)):} , then B=

The distance (in km) of 40 engineers from their residence to their place of work were found as follows : {:(5,3,10,20,25,11,13,7,12,31),(19,10,12,17,18,11,32,17,16,2),(7,9,7,8,3,5,12,15,18,3),(12,14,2,9,6,15,15,7,6,12):} Construct a grouped frequency distribution table with class size for the data given above taking the first interval as 0-5 (5 not included). What main features do you observe from this tabular representation ?

If A={1,2,3,4,5},B={4,5,6,7,8},C={7,8,9,10,11}andD={10,11,12,13,14. Find: A nn(B uu C)

If A={1,2,3,4,5},B={4,5,6,7,8},C={7,8,9,10,11}andD={10,11,12,13,14. Find: A uu B uu C