Question
we know that if personal error is biased then it is systemstic error and if we want to reduce error by taking large no. of readings so,there is रेंडम एरर सो व्हाट विल बी द राइट आंसर प्लीज एक्सप्लेन set of defective observation of weight is used by a student to find the mass of an object using a physical balance a large number of readings will reduce what type error