Need help with A. The human resource manager at a car dealership wants to know if the ages of its employees areelated to the department that they work in. Data was compiled and tabulated in a 2-waycontingency table. The employees were classified according to their age and department.Expected counts are printed below observed countsSalesAccounts Marketing RepairsTotal20-2981027438817.74***26.2023.6230-392926382223.1826.7234.2430.8640-493332728221944.1550.8865.2058.7750-5981106865432765.9275.9797.3687.75Total151223749**201Chi-Sq5.348 +**** +0.024 + 15.912 +1.459 +0.019 +0.413 +2.544 +2.816 +7.003 +0.709 +9.182 +3.448 + 11.875 +1.325 + 12.983 = 80.395*****, P-ValueDF*****No cells with expected counts less than 5.a) Name the random variables present in the table above.

Answer:----. Date:----26/10/2021

20-29 8 10 27 43 88 17.74 *** 26.20 23.62 30-39 29 26 38 22 23.18 26.72 34.24 30.86 40-49 33 32 72 82 219 44.15 50.88 65.20 58.77 50-59 81 106 86 54 327 65.92 75.97 97.36 87.75 Total 151 201 ** 223 749 Chi-Sq = 5.348 + **** + 0.024 + 15.912 + 1.459 + 0.019 + 0.413 + 2.544 + 2.816 + 7.003 + 0.709 + 9.182 + 3.448 + 11.875 + 1.325 + 12.983 = 80.395 DF = *****, P-Value = No cells with expected counts less than 5. ******

20-29 8 10 27 43 88 17.74 * 26.20 23.62 30-39 29 26 38 22 23.18 26.72 34.24 30.86 40-49 33 32 72 82 219 44.15 50.88 65.20 58.77 50-59 81 106 86 54 327 65.92 75.97 97.36 87.75 Total 151 201 223 749 Chi-Sq = 5.348 + ** + 0.024 + 15.912 + 1.459 + 0.019 + 0.413 + 2.544 + 2.816 + 7.003 + 0.709 + 9.182 + 3.448 + 11.875 + 1.325 + 12.983 = 80.395 DF = *, P-Value = No cells with expected counts less than 5. ****

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.3: Measures Of Spread

Problem 1GP

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