AP Stats Hypothesis Testing

Question 1

What is the purpose of non-destructive testing (NDT)?

Accepted Answer

To evaluate material properties and detect defects without damaging the item

Answer

To test materials until they break

Answer

To reduce inspection costs by skipping some items

Answer

To replace visual inspection entirely

Question 2

When should inspection be performed during a project?

Accepted Answer

At defined quality hold points and milestones throughout the project

Answer

Only at project completion

Answer

Only when a defect is reported

Answer

Once per calendar year

Question 3

What is the purpose of acceptance criteria in testing?

Accepted Answer

To define the conditions that must be met for work to be approved

Answer

To make testing as difficult as possible

Answer

To justify rejecting all work

Answer

To reduce the number of tests required

Question 4

What documentation should accompany inspection results?

Accepted Answer

Test methods used, findings, acceptance criteria, and inspector credentials

Answer

Only a pass or fail notation

Answer

Just the date of inspection

Answer

A summary written from memory

Question 5

What is statistical sampling in quality inspection?

Accepted Answer

Inspecting a representative portion of items to draw conclusions about the whole batch

Answer

Inspecting every single item produced

Answer

Randomly skipping inspections to save time

Answer

Only inspecting items that look defective

Question 6

What should happen when inspection reveals a non-conformance?

Accepted Answer

Document it, determine the cause, and implement corrective action

Answer

Ignore it if it seems minor

Answer

Blame the previous shift

Answer

Rework it without documentation