Question

if the average of numbers 51,68,6,57.4,58.2 and xis 53 find the value of x​

Answer 1

Answer:

x = 77.4

Explanation:

Average means "mean " So 53 is mean of the given raw data

Mean = Sum of all observation/ total number of observation

53 = (51 + 68+6+57.4+58.2+x) / 6

53× 6 =240.6 +x

318 -240.6 =x

x = 77.4

Answer 2

Answer:

77.4

Explanation:

Acc to question,

(51 + 68 + 6 + 57.4 + 58.2 + x) / 6 = 53

(240.6 + x) / 6 = 53

240.6 + x = 53 × 6

240.6 + x = 318

x = 318- 240.6

x= 77.4