(a) We take 35 measurements of a quantity under similar conditions and average t

Question

(a) We take 35 measurements of a quantity under similar conditions and average them out to obtain a final value. Which of the following aspects of measurement can be improved by this process? (b) Which of the following are the methods for handling extraneous variables? O (a) precision; (b) randomization and blocking O (a) precision; (b) randomization, blocking and replication O (a) accuracy; (b) replication O (a) precision and accuracy; (b) randomization and blocking O (a) precision and accuracy; (b) randomization, blocking and replication O (a) precision and accuracy; (b) blocking and replication O (a) accuracy; (b) randomization, blocking and replication (a) accuracy; (b) blocking and replication (a) precision; (b) blocking and replication O (a) precision and accuracy; (b) replication

Explanation / Answer

a. Here as we take 35 values under similar conditions, it means that we are increasing the repetition to obtain the more accuracy in the mean

Thus it is (a)accuracy (b) replication

b. Here for the extraneous variable we need to arrange them randomly and replication

(a) accuracy (b)randomization, blocking, and replication

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