A study was conducted to determine whether persons in suburban district II have a lower mean income than those in district I. Random samples were taken in each district with District size mean S.D. the following results (in $1000s). Determine whether the mean income in District II is below the mean income in District I. Use a = 0.05. 38 28.65 9.38 42 25.94 5.47 Identify the parameters
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.
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1.
In the given situation, the testing is based on population mean(parameter)
Hence, the parameter is .
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