Essay
A member of the state legislature has expressed concern about the differences in the mathematics test scores of high school freshmen across the state.She asks her research assistant to conduct a study to investigate what factors could account for the differences.The research assistant looked at a random sample of school districts across the state and used the factors of percentage of mathematics teachers in each district with a degree in mathematics,the average age of mathematics teachers and the average salary of mathematics teachers s = 7.62090
Analysis of Variance
Additional information related to this point estimate of 65.12 is given below.
Predicted Values for New Observations
50% with math degree,average age of 43 and average salary is 48.3
New
Calculate the 95% prediction interval for this point estimate.
Correct Answer:

Verified
49.22 to 81.02
t.025,32View Answer
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Correct Answer:
Verified
t.025,32
View Answer
Unlock this answer now
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