Explain how different statistical measures of individual risk help managers and business owners make better decisions. For your answer, consider the following statistical measures of risk: probability distributions, expected rates of return, historical rates, standard deviation, coefficient of variation, and Sharpe ratio.

Teacher salaries are listed below. Find the mean, median, mode, and standard deviation. Using this data, identify the measure of central tendency that is the most representative of the teacher salaries? District              Salaries A                        $140,000 B                        $139,000 C                        $199,000 D                        $109,000 E                        $109,000 F                         $158,000 G                        $151,000 H                        $109,000

What does a “mean” mean in statistics? What’s an example question for that?

You just finished statistics class and are eager to collect and analyze your own data!  You run out and collect data on students' living arrangements (measured as either on-campus housing or off-campus housing) and whether they are involved in extra-curricular activities (measured as either involved or not involved).  You want to examine whether there is an equal distribution of students who live on- and off-campus among those are are involved or not involved in extra-curricular activities.  You will most likely use ___ to analyze your data.         Group of answer choices a z-test a two-sample t-test a one-sample t-test an ANOVA a correlation a chi-square test a z-score a one-predictor regression a two-predictor regression

Are written conclusions a form of statistics?

4) What do you infer from the odds ratio about the relationship between smoking and lung cancer?