Find the Margin of Error $n = 30 , \bar { x } = 86.5 , s = 10.3,90$

question 54

Multiple Choice

Find the margin of error.
- $n = 30 , \bar { x } = 86.5 , s = 10.3,90$ percent

• A) \(81.32 < \mu < 91.68\)
• B) \(83.31 < \mu < 89.69\)
• C) \(83.32 < \mu < 89.68\)
• D) \(82.65 < \mu < 90.35\)

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Definitions:

Developing

In statistics or data analysis, it typically refers to the process of constructing models, hypotheses, or understanding patterns within data sets.

Dependent Variable

The outcome variable in an experiment or study that is being tested and measured, believed to be affected by the independent variable(s).

Regression Model

A statistical approach for estimating the relationships among variables, often one dependent variable and one or more independent variables.

Predict

The act of making educated guesses about the future based on current or past data, often an essential part of statistical analysis and planning.