The Diameter of 3 $\alpha$ = 005, the Appropriate Decision Is ___

question 66

Multiple Choice

The diameter of 3.5 centimetre discs is normally distributed.Periodically, quality control inspectors at Winnipeg Discs randomly select a sample of 16 discs.If the mean diameter of the discs is too large or too small the disc punch is shut down for adjustment; otherwise, the punching process continues.The last sample showed a mean and standard deviation of 3.49 and 0.08 centimetres, respectively.Using $\alpha$ = 0.05, the appropriate decision is ___.

• A)reject the null hypothesis and shut down the punch
• B)reject the null hypothesis and do not shut down the punch
• C)do not reject the null hypothesis and shut down the punch
• D)do not reject the null hypothesis and do not shut down the punch
• E)do nothing

Understand the concept of interaction effect in factorial research design.

Distinguish between single-factor and factorial research designs.

Identify the effects of independent variables on dependent variables in various research designs.

Comprehend the notion of main effect within the context of factorial research design.

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Definitions:

Partial-Thickness Burn

A Partial-Thickness Burn is a type of burn affecting both the epidermis and certain parts of the dermis, causing pain, swelling, and blistering.

Second-Degree Burn

A type of burn that affects both the outer layer of skin (epidermis) and the underlying layer of skin (dermis), characterized by redness, swelling, and blistering.

Superficial Burn

A type of injury to the skin characterized by damage only to the outer layer, often resulting in pain and redness.

Sprain

The forcible twisting of a joint with partial rupture or other injury of its attachments.