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Lab_9_Statistics

# Lab_9_Statistics - Pradhan1 Objective: Equipments A...

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Pradhan 1 Objective: To use statistical analysis to predict the range of new or future measurement Equipments:  A. Page of Phone book directory Procedure: Take a phone book page. For every phone number in the page add the last four  digits. Find the frequency of how many times each number repeats itself. For, example 1234  adds up to 10, so now frequency of 10 is 1. Observation: Numbers (x) Frequency (f) f*x Mean( X bar) (x-xbar)^2 f*(x-xbar)^2 gaussian Distribution probability density 1 0 0 17.62006 276.2264 0 0 0 2 0 0 17.62006 243.9863 0 0 0 3 0 0 17.62006 213.7462 0 0 0 4 2 8 17.62006 185.506 371.0121 0 0 5 0 0 17.62006 159.2659 0 0 0 6 2 12 17.62006 135.0258 270.0516 0 0 7 4 28 17.62006 112.7857 451.1427 0 0 8 4 32 17.62006 92.54555 370.1822 0 0 9 6 54 17.62006 74.30543 445.8326 0 0 10 12 120 17.62006 58.06531 696.7838 0 0 11 12 132 17.62006 43.82519 525.9023 1.302E-273 3.9574E-276 12 16 192 17.62006 31.58507 505.3612 5.2195E-197 1.5865E-199 13 27 351 17.62006 21.34495 576.3138 6.3671E-133

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Lab_9_Statistics - Pradhan1 Objective: Equipments A...

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