Exhibit 5-10

question 104

Multiple Choice

Exhibit 5-10.According to a study by the Centers for Disease Control and Prevention,about 33% of U.S.births are Caesarean deliveries (National Vital Statistics Report,Volume 60,Number 2,November 2011) .Suppose seven expectant mothers are randomly selected. Refer to Exhibit 5-10.What is the standard deviation of the number of mothers who will have a Caesarean delivery?

• A)1.24
• B)1.54
• C)2.31
• D)4.69

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Definitions:

Babbling

The production of repetitive syllables by infants, which precedes the development of language.

Phonemic Speech

The aspect of language that deals with the system of sounds (phonemes) and their function and usage within a language.

Telegraphic Speech

A developmental stage in child language acquisition where speech is concise and includes only essential content words, resembling the succinctness of a telegram.

Symbolism

The use of symbols to represent ideas or qualities in literature, art, and other forms of cultural expression.