2. Construct histograms of the spindle and hole data to see if there is an assignable cause to the problem.

Accent Oak Furniture Company has been in business for more than 30 years, serving customers in Chicago and the surrounding area. The business consists of three different divisions: a custom furniture division that manufactures such crafted items as dining room suites, a kitchen cabinet division, and a banister division that manufactures and installs quality oak railings.Each division reports to a vice president who in turn reports to Frank Johnson, the president and founder of the company. Total sales for all three divisions are projected to reach $8 million for the current fiscal year.Frank has been quite pleased with the performance of the custom furniture division and the kitchen cabinet division, which together account for more than 85% of the sales revenue.