The Iowa Tests of Basic Skills is a collection of various achievement tests given to students in grades 1 - 8. Student achievement levels are reported on a scale that runs from 0 to 13. The North Snowshoe Community Schools are evaluating their reading program for students whose native language is not English. In one part of the study the reading comprehension of 10 students, randomly selected from a large population of students in the program, take the Reading Comprehension test in third and fourth grade. Their scores for each year, in grade equivalents, are listed below. 
"Normal" growth, by definition, is a change of 1.0. Using the data above, test the hypothesis that the difference in means for 3rd and 4th grade students in this program for non-native English speakers is equal to 1.0.
Definitions:
Technical Expertise
Specialized knowledge or skills in a specific field or area of technology.
Role Ambiguity
The uncertainty experienced by individuals about their job responsibilities, expectations, and requirements.
Role Conflict
A situation where an individual faces contradictory demands or expectations in their job roles.
Information Sharing
The practice of distributing or exchanging information or data between individuals, groups, or organizations.
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