Obtain the Population Standard Deviation,σ, for the Given Data

question 130

Multiple Choice

Obtain the population standard deviation,σ, for the given data. Assume that the data represent population data. Round
your final answer to one more decimal place than that used for the observations.
-The test scores of 9 students are listed below.
47 73 74
79 77 73
75 53 43

• A) 176.9
• B) 13.3
• C) 199.0
• D) 14.1

---

Definitions:

Feelings of Safety

Subjective experiences or perceptions regarding the absence of danger or risk in a given environment.

Regression Equation

A mathematical formula used to predict a variable based on the relationship with one or more other variables.

Y-Intercept

The spot on a graph at which a line meets the Y-axis.

Drivers' Average Speed

The mean speed calculated from the speeds of multiple drivers over a defined distance or period of time.