Construct and Interpret Confidence Intervals Regarding the Difference of Two

question 102

Short Answer

Construct and Interpret Confidence Intervals Regarding the Difference of Two Independent Means
-A recent study of 100 social workers in a southern state found that their mean salary was $23,000 with a standard deviation of $2100. A similar study of 100 social workers in a western state found that their mean salary was $33,400 with a standard deviation of $3200. Test the claim that the salaries of social workers in the western state is more than $10,000 greater than that of social workers in the southern state. Use = 0.05.

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Definitions:

Conjunctions

Terms that serve to link clauses or sentences together, or to coordinate words within the same clause, like "and", "but", and "or".

Conjunctive Adverbs

Words that connect two independent clauses together, showing relationship in terms of sequence, contrast, cause and effect, etc.

Punctuated Correctly

Describes text that is marked with commas, periods, and other punctuation marks appropriately according to grammar rules.

Coordinating Conjunction

A word that connects words, phrases, or clauses that are grammatically equal, examples include and, but, or, nor, for, so, and yet.