Basic Technical Mathematics, 11th Edition

22 Introduction to Statistics

LEARNING OUTCOMES

After completion of this chapter, the student should be able to:

• Use bar graphs and pie charts to display qualitative data

• Summarize and display quantitative data using frequency distributions, histograms, stem-and-leaf plots, and time series plots

• Calculate measures of central tendency (mean, median, and mode)

• Calculate and interpret the standard deviation

• Apply the empirical rule

• Find relative frequencies involving normally distributed populations

• Plot and interpret $\stackrel{\hspace{0.17em}¯\hspace{0.17em}}{x}\hspace{0.17em},\hspace{0.17em}$ R, and p control charts

• Find the equation of the least squares regression line that best fits a given set of data

• Use a calculator to determine a nonlinear regression model to fit a set of data

After the invention of the ...