A Class of Sixth Graders Takes a Diagnostic Reading Test,and

question 102

Essay

A class of sixth graders takes a diagnostic reading test,and the scores are reported by reading grade level.The 5-number summaries for the 20 boys and 21 girls are shown:
a)Which group had the highest score?
b)Which group had the greatest range?
c)Which group had the greatest interquartile range?
d)Which group's scores appear to be more skewed? Explain.
e)Which group generally did better on the test? Explain.
f)If the mean reading level for boys was 6.6 and for girls was 6.4,what is the overall mean for the class?

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Definitions:

Consignment

An arrangement where goods are left with a third party to sell, but the ownership remains with the supplier until the goods are sold.

General Merchandise

A category of products that includes a wide variety of items, typically found in a department store or retail outlet, not limited to any specific category.

Channel Functions

Activities involved in moving goods from producers to consumers, including distribution, transportation, and retailing.

Rack Jobbers

Merchandisers who lease space within retail stores to display and sell their own products, typically involved in the distribution of books, music, or electronics.