Calculate the 95% Confidence Interval for a Sample of N

question 119

Multiple Choice

Calculate the 95% confidence interval for a sample of N = 25 with a mean = 4.06 and standard deviation (s) = 1.37.

• A) 95% CI = 4.06 ± .56
• B) 95% CI = 4.06 ± .46
• C) 95% CI = 4.06 ± .76
• D) 95% CI = 4.06 ± 2.33

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Definitions:

Babbling

A stage in child language acquisition where the infant spontaneously utters sounds of language, often beginning around 6 months of age.

Consonant-vowel Combinations

The pairing of consonants and vowels to create syllables, which are the basic building blocks of words in spoken language.

Cooing

Typically one of the first stages of linguistic development in infants, characterized by the production of soft, vowel-like sounds.

Fast Mapping

The process by which children quickly learn new words or concepts after minimal exposure.