Calculate the 90% Confidence Interval for a Sample of N

question 117

Multiple Choice

Calculate the 90% confidence interval for a sample of N = 29 with a mean = 137.98 and standard error of the mean = 4.98.

• A) 90% CI = 137.98 ± 8.47
• B) 90% CI = 137.98 ± 13.76
• C) 90% CI = 137.98 ± 6.68
• D) 90% CI = 137.98 ± 10.20

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Definitions:

Qualitative

Pertains to research or data that focuses on descriptions and characteristics that are observed but not measured.

Quantitative

Involving the measurement or assessment of quantities; relating to, measuring, or measured by the quantity of something.

Preoperational

The stage in Piaget's theory of cognitive development, occurring approximately from ages 2 to 7, characterized by the development of language and symbolic thinking but not yet capable of logical problem-solving.

Piagetian Process

An aspect of cognitive development theory defined by Jean Piaget, focusing on how children acquire knowledge and through what stages they progress.