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Use of t -tables
Similar to normal curve tables there exist t- distribution tables. However whereas the properties of the normal curve are constant for all normal curves the t- distribution varies according to the number of items in the sample. These tables therefore contain values for all possible sample sizes up to 30, and are given with reference to the degrees of freedom.
The scientific methods is thus based on certain basic postulate which can be stated as under: a. It relies on empirical evidence: b. It utilizes relevant concepts;
A paper mill produces two grades of paper viz., X & Y. Because of raw material restrictions, it cannot produce more 400 tons of grade X paper & 300 tons of grade Y paper in a week.
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A paper mill produces two grades of paper viz., X and Y. Because of raw material restrictions, it cannot produce more than 400 tons of grade X paper and 300 tons of grade Y paper i
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