TABLE 10-13 A Quality Control Engineer Is in Charge of the Manufacture

question 88

Short Answer

TABLE 10-13
A quality control engineer is in charge of the manufacture of computer disks. Two different processes can be used to manufacture the disks. He suspects that the Kohler method produces a greater proportion of defects than the Russell method. He samples 150 of the Kohler and 200 of the Russell disks and finds that 27 and 18 of them, respectively, are defective. If Kohler is designated as "Group 1" and Russell is designated as "Group 2," perform the appropriate test at a level of significance of 0.01.
-Referring to Table 10-13, the value of the test statistic is _______.

---

Definitions:

Distribution

The process of making a product or service available for the consumer or business user that needs it.

Earnings Per Share

A financial metric that indicates the portion of a company's profit allocated to each outstanding share of common stock, serving as an indicator of the company’s profitability.

Preferred Dividends

Dividends that are paid out to preferred shareholders before any dividends are distributed to common shareholders, typically at a fixed rate.

Cash Dividend

A distribution of a portion of a company's earnings, decided by the board of directors, to a class of its shareholders in cash.