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Problem $9-1($Static$)$

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$[$The following information applies to the questions displayed below.$]$

The following are the car repair shop data:

Ticket No$.$ Work Ticket No$.$ Work Ticket No$.$ Work

$1$ Tires $11$ Brakes $21$ Lube & oil

$2$ Lube & oil $12$ Lube & oil $22$ Brakes

$3$ Tires $13$ Battery $23$ Transmission

$4$ Battery $14$ Lube & oil $24$ Brakes

$5$ Lube & oil $15$ Lube & oil $25$ Lube & oil

$6$ Lube & oil $16$ Tires $26$ Battery

$7$ Lube & oil $17$ Lube & oil $27$ Lube & oil

$8$ Brakes $18$ Brakes $28$ Battery

$9$ Lube & oil $19$ Tires $29$ Brakes

$10$ Tires $20$ Brakes $30$ Tires

Click here for the Excel Data File

Problem $9-1$ Part b $($Static$)$

b$.$ Select a appropriate Pareto diagram for the above car repair shop data: