Summarizing Identify changes that resulted from theSecond Industrial Revolution.

Bnad277: Chapter 12 Notes Tests of Goodness of Fit, Independence, and Multiple Proportions: - In this chapter we introduce three additional hypothesis-testing procedures. 2 - The test statistic and the distribution used are based on the chi-square (c ) distribution. - In all cases, the data are categorical. - Goodness of Fit Test: Multinomial Probability Distribution: o 1. State the null and alternative hypotheses: o 2. Select a random sample and record the observed frequency, f , i for each of the k categories. o 3. Assuming H is t0ue, compute the expected frequency, e , in i each category by multiplying