A Population Has a Mean μ = 46 and Standard $\sigma = 15$

question 29

Multiple Choice

A population has a mean μ = 46 and standard deviation $\sigma = 15$ Find the z-score for a population value of 13.

• A) -33
• B) -2.2
• C) -0.5
• D) 0.9

---

Definitions:

Point Estimate

A single value given as an estimate of a parameter of a population.

Dependent Variable

A variable in statistical modeling and experiments whose value is dependent on that of one or more other variables.

Least Squares Estimate

A method of estimating the coefficients in a linear regression model by minimizing the sum of the squares of the differences between observed and predicted values.

Slope

A measure of the steepness or incline of a line, often calculated as the ratio of the vertical change to the horizontal change between two points on the line.