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1. A researcher was interested lowering the high school dropout level in his county. He measured the reading level of students entering middle school (based on a standard test) and their academic performance at the end of 10th grade (as measured by overall GPA).
Use the following data to:
A. Compute a correlation coefficient using Excel.
B. Create a scatter plot using Excel.
C. Determine the coefficient of determination. Explain what it tells you.
D. Explain in words what the correlation coefficient tells you about the relationship between reading level when entering middle school and 10th grade academic performance as measured by GPA.
E. What does it not tell you?
Student Reading Level Score GPA
1 100 3.0
2 110 2.95
3 80 2.00
4 75 2.10
5 91 2.00
6 124 3.80
7 95 2.40
8 82 3.00
9 104 3.10
10 95 2.20
11 88 2.24
12 95 3.00
13 107 3.45
14 112 3.11
A survey was conducted among the residents of Pune City, its suburbs and the Pune Cantonment area. The following three pie diagrams show their respective preferences for living in
a few problems
The whole point of organizing data using SPSS software is so that we can manipulate the data to answer our descriptive and inferential questions. This next section will walk you t
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what are the requirements of linear programming?
journal article about capture theory,economic intrest thery,public intrest theory
2. From the following cost, production and sales data of Decors Motor Ltd., prepare comparative income statement for three years under (i) absorption costing method, and (ii) margi
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