Find the Value Of $\mathrm { Z } _ { \alpha / 2 }$

question 144

Multiple Choice

Find the value of $\mathrm { Z } _ { \alpha / 2 }$ that corresponds to a confidence level of 89.48%.

• A) 1.25
• B) -1.62
• C) 0.0526
• D) 1.62

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Definitions:

Regression Equation

A mathematical formula used to predict a value of a dependent variable based on the value(s) of one or more independent variables.

Scatter Plot

A graphical representation of the relationship between two quantitative variables, where each point represents an observation.

Line of Regression

A line that best fits the data points on a scatter plot, showing the relationship between an independent and a dependent variable.

Error of the Estimate

A measure of how much the observed data deviate from the fitted values in a regression analysis, often indicating the prediction error.