## Problems

Problems You can find the answers to problems marked with an asterisk at the end of the text. The following list gives the measured gas mileage in miles per gallon for 22 cars of the same model. Plot the absolute frequency histogram and the relative frequency...

## Summary

Summary This chapter introduces MATLAB functions that have widespread and important uses in statistics and data analysis; however, their proper application requires informed judgment and experience. Section 7.1 gives an introduction to basic statistics and...

## Interpolation

Interpolation Engineering problems often require the analysis of data pairs. For example, the paired data might represent a cause and effect, or input-output relationship, such as the current produced in a resistor as a result of an applied voltage, or a time history,...

## Random Number Generation

We often do not have a simple probability distribution to describe the distribution of outcomes in many engineering applications. For example, the probability that a circuit. consisting of many components will fail is a function of the number and the .age’of the...

## The Normal Distribution

The Normal Distribution Rolling a die is an example of a process whose possible outcomes are a limited set of numbers; namely, the integers from 1 to 6. For such processes the probability is a function of a discrete-valued variable, that is, a variable having a...

## Statistics, Histograms, and Probability

Statistics, Histograms, and Probability In all likelihood you have computed an average, for example, the average of all your test scores in a course. To find your average, you add your scores and divide by the number of tests. The mathematical term for this average is...