COMM 291 Chapter Notes - Chapter 10: Null Hypothesis, Market Trend, Statistical Significance
16
COMM 291 Full Course Notes
Verified Note
16 documents
Document Summary
Comm291 - chapter 10 - testing hypotheses about proportions. This is something that is supposed in order to draw a conclusion or inference for proof of the point in question. When looking at hypothesis we have 2. The null hypothesis is h0 and uses a population model parameter and proposes a value for that parameter. It it written as h0: p = p0 meaning that the two things we need most: are the identity of the parameter and a speci c hypothesized value for that parameter (ex. In our example we think that the hypothesis that the tsx moves up or down with equal likelihood is 50% aka h0: p = 0. 5. The alternative hypothesis is denoted as ha contains the values of the parameter that we consider plausible if we reject the null hypothesis. In or ex. we may see a bull market lead us to expect more up then down so our p =/= 0. 5.
