Math, asked by kumardeepak258369, 6 months ago

The mean of 40 observation was 160. It was detected on rechecking that the value of 165 was wrongly copied as 125 for computation of mean . Find the correct mean .

Answers

Answered by dgarg9624

1

Step-by-step explanation:

since the value of 165 was copied as 125 there was a decrease in the sum of the numbers by 40

now

sum of the numbers with 125

160x 40 = 6400

sum of numbers without 125

6400-125 = 6275.

correct sum of the numbers

6275+165 = 6440

correct mean

6440/40 = 161

Previous Question

Next Question

Similar questions

Math, 3 months ago

find the rational number between-9and-13...

Biology, 3 months ago

(ii) Some proteins are found in the plasma membrane. What part of the protein is within the membrane itself? (a) hydrophilic region (b) hydroponic region © hydrophobic region (d) hydrocoel region (iii) Which of the following is not an accurate description of a chromosome? (a) It is a colored body localized in the nucleus. (b) It is a protein and nucleic acid complex. (c) It is the...

History, 3 months ago

Bio means life and Diversity means _______________. i) lifeline ii) importance iii) variety iv) death...

Computer Science, 6 months ago

In the following keyframes code, which banner image will be in frame and visible at 61% @keyframes slidy { 0% { left: 0%; } 28% { left: 0%; } 33% { left: -100%; } 61% { left: -100%; } 66% { left: -200%; } 94% { left: -200%; } 100% { left: 0%; } } first second third fourth please answer fast it is urgent...

Math, 6 months ago

$2 {2}^{2} log(10 ) =$ ...

Hindi, 10 months ago

small stories of buddha...

Chemistry, 10 months ago

define metallic bond in 20 to 30 words...

Math, 10 months ago

a number with four factors which all are odd...