Quality Control Is an Important Issue at ACME Company, Which

question 59

Multiple Choice

Quality control is an important issue at ACME Company, which manufactures light bulbs. To test the life-hours of their light bulbs, they randomly sampled nine light bulbs and measured how many hours they lasted (mean = 346.6) . 378, 361, 350, 375, 200, 391, 375, 368, 321
What is the standard deviation?

• A) 342.43
• B) 3424.3
• C) 58.5
• D) 191
• E) 10,609

---

Definitions:

Unsorted Lists

A collection of items that are not in any particular order.

Sorted

The condition of having elements arranged in a sequential order according to some rule, often numerical or alphabetical.

Selection Sort

Selection sort is an in-place comparison-based sorting algorithm that divides the input list into two parts: the sorted part at the beginning and the unsorted part at the end, systematically finding the minimum or maximum from the unsorted partition and moving it to the sorted one.

Proper Positions

A term possibly construed within the context of organizing or arranging items or elements in a defined, correct sequence or layout.