The computer output given below shows a regression of Science Knowledge vs. Reading Comprehension scores for a random sample of sophomores. 
a) What is the estimated regression line?
b) What is the calculated value of sb?
c) What is the calculated value of se?
d) What is the calculated value of the t-ratio for the Model Utility Test?
e) Construct a 95% confidence interval for β.
Definitions:
Powers
In mathematics, the term refers to the exponentiation operation, where a number is raised to the power of another number, indicating repeated multiplication.
Six-Figure Accuracy
A term usually used to describe financial calculations or measurements that are accurate to at least 100,000 or within six figures.
Superscript
A character, number, or symbol set slightly above the normal line of text, commonly used in mathematical expressions and references.
Six-Figure Accuracy
A level of measurement precision where values are accurate to six digits.
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