दिखाइए कि `1,5,9,13,17,21,25,…`समा० श्रेढ़ी में है । पदांतर बताएँ ।

3, 5, 9, 11, 14, 17, 21 (a) 21 (b) 17 (c) 14 (d) 9

The median of 5,19,14,6,8,9,12,13,21 is

The median of 5,19,14,6,8,9,12,13,21 is

Calculate the covariance of observation (3,5), (6,7),(9,9), (12,11), (15,13), (18,15), (21,17), (24, 19) using assumed mean A = 13 and B = 12.

D_(3) for data: 16, 21, 27, 13, 19, 26, 25, 12, 17, 28 is

Which term of the AP 5, 9, 13, 17, … is 81?