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statistical treatment of data. Single sample test. A single measurement is done under identical conditions excepting for time is known as single sample test. Multi sample test.
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Single sample test • A single measurement is done under identical conditions excepting for time is known as single sample test.
Multi sample test • In this test repeated measurement of a given quantity is done using different test conditions such as employing different instruments, different ways of measurement & by using different observations.
Histogram • A histogram is a graphical representation of the distribution of data.
Gaussian curve • Characteristics : concentrated on centre & symmentic
Probability error r = 0.6745σ