A Study Was Conducted to Determine the Average Number of Words

question 2

Multiple Choice

A study was conducted to determine the average number of words children learn during their third year.For a random sample of one hundred children,parents reported the number of words spoken at 24 months and then again at 36 months of age.A 98% confidence interval for the difference of the means at 36 months and 24 months,μ36 - μ24,was determined to be $( 200,277 ) .$

• A)We are 98% confident that,on average,the number of words spoken by children at 36 months of age is between 200 and 277 words greater than the number of words spoken by children at 24 months of age.
• B)We know that 98% of children say between 200 and 277 more words at 36 months of age than at 24 months of age.
• C)We are 98% confident that the children in this sample said,on average,between 200 and 277 more words at 36 months than at 24 months of age.
• D)We know that 98% of all random samples done on the population will show that the average number of words spoken by children is between 200 and 277 words greater at 36 months than at 24 months of age.
• E)We are 98% confident that a randomly selected child will say between 200 and 277 more words at 36 months than at 24 months of age.

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Definitions:

Renaissance Art

A period in European history, lasting from the 14th to the 17th century, that is characterized by a revival of interest in the classical learning and values of ancient Greece and Rome, notably in the arts.

Printing Press

A mechanical device developed in the 15th century that allowed for mass production of printed materials, significantly impacting information dissemination and literacy rates.

Perspective

A specific attitude towards or way of regarding something; a point of view.

Active Participant

A person who engages directly and dynamically in an activity or process, rather than observing.