"City libraries were interested in the effectiveness of summer reading programs in improving the reading ability of elementary school students. They implemented two types of summer reading programs in libraries across the city. One program was a 2-week intensive camp, and one program lasted the entire summer". The program that each library implemented was decided by drawing a line through the center of the city. One year later, city officials compared reading abilities via standardized tests of all the elementary schools in"

Following are the solution to the given question:

Explanation:

Please find the complete question in the attachment file.

In the confound:

It is the Library environments, that are distinctive, the primary schools may be of different attributes.

In not the Confound:

It is the assessment results, which have been improperly categorized, the summer program learns additional articles, by each of the programmers is done provided for free.

hi, you. i think this we be deleted because it's a invalid question.

(i suggest no to do this in the