Question

4. A sample of 256 bricks has mean weight of 2.12 Kg with standard deviation of 560 grams. Test the hypothesis that sample come from population with mean weight of 2 Kg. Subject :- Research Methodology

Answer 1

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Answer 2

The Hypothesis is that the sample comes from a population with a mean weight of 2 Kg.

• Standard Deviation is the quantity that expresses the difference between how much the members of a group from the mean value for the group.
• The mean also called average is found by adding all the elements and dividing them by the number of total elements.
• Research methodology is how the researcher explains his research in the most systematic way and the intention behind such research.
• In this question,
• The mean of 256 bricks is 2.12kg.
• The standard Deviation is 560 grams.
• The Research is valid as the numeric values justify each other and the intention behind such research was to find the mean weight of the brick and its validity.

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