AVX Stereo Equipment, Inc.

| March 25, 2013

AVX Stereo Equipment, Inc.

recently began a “no-hassles” return policy. A sample of 500 customers who had recently returned items showed 400 thought the policy was fair, 32 thought it took too long to complete the transaction, and the rest had no opinion.
On the basis of this information, make an inference about customer reaction to the new policy

The following chart depicts the average amounts spent by consumers on holiday gifts.
Write a brief report summarizing the amounts spent during the holidays. Be sure to include the total amount spent, and the percent spent by each group.

Determine the median and the values corresponding to the first and third quartiles in the following data.

5.24 6.02 6.67 7.30 7.59 7.99 8.03 8.35 8.81 9.45
9.61 10.37 10.39 11.86 12.22 12.71 13.07 13.59 13.89 15.42

a. Determine the mean, median, and the standard deviation.
b. Determine the coefficient of skewness using Pearson’s method.
c. Determine the coefficient of skewness using the software method.
Player Salary ($000)
Alex Rodriguez $33,000.0
Derek Jeter 21,600.0
Mark Teixeira 20,625.0
A.J. Burnett 16,500.0
CC Sabathia 15,285.7
Mariano Rivera 15,000.0
Jorge Posada 13,100.0
Johnny Damon 13,000.0
Hideki Matsui 13,000.0
Xavier Nady 6,550.0
Robinson Cano 6,000.0
Andy Pettitte 5,500.0
Nick Swisher 5,400.0

Player Salary ($000)
Chien-Ming Wang $5,000.0
Damaso Marte 3,750.0
Jose Molina 2,125.0
Melky Cabrera 1,400.0
Brian Bruney 1,250.0
Cody Ransom 455.1
Jose Veras 433.0
Joba Chamberlain 432.6
Edwar Ramirez 422.5
Brett Gardner 414.0
Phil Coke 403.3
Jonathan Albaladejo 403.1
Ramiro Pena 400.0

 

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