Use the Formula to Calculate the 95% Confidence Interval

question 82

Multiple Choice

Use the formula to calculate the 95% confidence interval for a sample with a mean = 7.00 and a population standard error of the mean = .50.

• A) 95% CI = 7.00 ± .98
• B) 95% CI = 7.00 ± .83
• C) 95% CI = 7.00 ± 1.29
• D) 95% CI = 7.00 ± 2.46

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Definitions:

Maintenance Rehearsal

A process of repetitively verbalizing or thinking about information to be remembered, thereby keeping it in working memory longer.

Auditory Encoding

The process by which auditory information is converted into a form that allows it to be stored in memory.

Sensory Storage

A very short-term form of memory that allows the retention of information received through the senses for a brief period.

Visual Image

A mental representation or picture perceived with the mind's eye or created by the brain’s ability to interpret visual information.