An $\bar { x }$ Chart Is Being Developed Using 15 Samples of Size 9

question 98

Multiple Choice

An $\bar { x }$ chart is being developed using 15 samples of size 9 each.The average of 15 sample means is 6.20.The average of the 15 ranges is 0.30.The lower control limit is _______________.

• A)6.301
• B)6.267
• C)6.133
• D)6.099
• E)6.312

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Definitions:

Reinforcement

In psychology, a process in which a behavior is strengthened or increased by a consequence, such as a reward or a removal of an unpleasant stimulus.

Shaping

An educational strategy where reinforcing actions that progressively mimic the sought-after behavior are employed.

Vocal Apparatus

The collective term for the organs and structures of the body involved in the production of voice and speech.

Rudimentary Language Skills

Basic abilities in understanding and using language, usually referring to the initial stages of language acquisition.