Statistics Through Applications
Statistics Through Applications
2nd Edition
ISBN: 9781429219747
Author: Daren S. Starnes, David Moore, Dan Yates
Publisher: Macmillan Higher Education
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Chapter 3.1, Problem 3.5E

(a)

To determine

To calculate the value of percentile for Lidge’s salary.

(a)

Expert Solution
Check Mark

Answer to Problem 3.5E

77.58th percentile

Explanation of Solution

Given:

    PlayerSalary PlayerSalary PlayerSalary
    Burrell, Pat 1,42,50,000Romero, J. C.32,50,000Kendrick, Kyle4,45,000
    Howard, Ryan1,00,00,000Feliz, Pedro 30,00,000Dobbs, Greg4,40,000
    Myers, Brett 85,83,333Helms, Wes 24,00,000Ruiz, Carlos4,25,000
    Rollins, Jimmy80,00,000Werth, Jayson17,00,000Condrey, Clayton4,20,000
    Eaton, Adam 79,58,333Madson, Ryan 14,00,000Coste, Chris4,15,000
    Utley, Chase 77,85,714Durbin, Chad9,00,000Rosario, Francisco3,95,000
    Lidge, Brad 63,50,000 Taguchi, So 9,00,000Zagurski, Mike3,92,500
    Moyer, Jamie 60,00,000Bruntlett, Eric 6,00,000Lahey, Tim 3,90,000
    Gordon, Tom 55,00,000Hamels, Cole 5,00,000Mathieson, Scott3,90,000
    Jenkins, Geoff50,00,000Victorino, Shane4,80,000

  Statistics Through Applications, Chapter 3.1, Problem 3.5E

    VariableSalary
    n29
    Mean3388617
    Standard deviation3767484
    Minimum390000
    Quartile 1440000
    Median 1400000
    Quartile 36000000
    Maximum 14250000

Formula used:

  Percentile = (No. of values less than x+0.5Total no. of values )×100

Calculation:

  Percentile = (No. of values less than x+0.5Total no. of values )×100=(22+0.529)×100=77.58Th percentile

The 77.58th percentile means that 77.58% of all player have salary less than Lidge’s salary.

(b)

To determine

To calculate the value of z score for Lidge’s salary.

(b)

Expert Solution
Check Mark

Answer to Problem 3.5E

Z =0.786

Explanation of Solution

Calculation:

  z=635000033886173767484z=0.786

The z score equal to 0.786 means that Lidge’s salary is 0.786 standard deviation above than mean.

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