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Exercise 18

Avg difficulty 2.5

In a survey of 12 companies recruiting for recent college graduates, they reported the following numbers of job applicants per job posting:

123123134127115122125101130143110122

  1. Find the mean and standard deviation, including units.

  2. What is the Z score for the company with 143 job applicants per job posting?

Lee et al., Math in Society, §3.4 Summary Statistics: Measures of Variation, Exercise 18

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Adapted from Math in Society © 2018–2024 Portland Community College Math Instructors. Licensed under CC BY-SA 4.0. Source: Math in Society. Imported at revision 68ee43c.