A random sample of 300 Kentucky students showed a mean combined SAT score of 1758 with a standard deviation of 213. A random sample of 300 Tennessee students showed a mean combined SAT score of 1725 with a standard deviation of 228. Using a 95% confidence interval for the difference in mean combined SAT scores, comment on how Kentucky and Tennessee students perform on the SAT.

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A:

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A:

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A: Given,

Q: snip

A: Given: 1.43=____  823=____ 3-2=____

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A:

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A: Measure of dispersion is part of Descriptive Statistics

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A: Explanation of the answer is as follows

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A: Solution

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.