surement get the accepted measured curacy of aller the

Last updated: 6/30/2023

surement get the accepted measured curacy of aller the nsitivity hat can ipment ling of in the is 10 2 about Sint in e least aning value 10 3 E 0 1 of e or Multiple readings of the same quantity are noted to minimize the error If the readings match closely they are said to have high precision High percision implies reproducibility of the readings High precision is a prerequisit for high accuracy Precision is expressed in terms of deviation An absolute deviation is the modulus of the difference between an observed value and the arithmetic mean for the set of several measurements made in the same way It is a measure of absolute error in the repeated observation Absolute deviation Observed value Mean Arithmetic mean of all the absolute deviations is called the mean absolute deviation in the measurements The ratio of mean absolute deviation to its arithmentic means is called relative deviation Relative deviation Mean absolute deviation Mean lue eful ris x 100 Problem 2 5 In laboratory experiment 10 g potassium chlorate sample on decomposition gives following data The sample contains 3 8 g of oxygen and the actual mass of oxygen in the quantity of