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Prediction Interval
We would like to construct a prediction interval around which would contain the actual Y.
If n ≥ 30, ± Zse would be the interval, where Z is the appropriate Standard Normal Value.
If n < 30, ± tse would be the interval, where t is the appropriate t value (with n - 2 degrees of freedom).
In the case of the pharmaceutical firm, at X = Rs.1 crore the 90% prediction interval is 22 ± 2.132 x 3.24.
Testing of Hypothesis One objective of sampling theory is Hypothesis Testing. Hypothesis testing begins by making an assumption about the population parameter. Then we gather
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Weighted Harmonic Mean Weighted Harmonic Mean is calculated with the help of the following formula: WHM Case
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Caveat We must be careful when interpreting the meaning of association. Although two variables may be associated, this association does not imply that variation in the independ
Identify the (time, censor) pair for each of the following analyses:
We are interested in assessing the effects of temperature (low, medium, and high) and technical configuration on the amount of waste output for a manufacturing plant. Suppose that
prove that coefficient of correlation lies between -1 and+1
The weight of the engine in kN is given in P2 and is suspended from a vertical chain at A. A second chain round the engine is attached at A, with a spreader bar between B and C. Th
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