30 A nonprofit organization is asking for donations, It hopes to design an email campaign that will ensure it receives at least $50,000. The campaign will reach 10,000 donors and receive donations with a mean of $10 and a standard Javiation of $5. Which measure should be used to determine the probability of the campaign receiving $50,000? O Median Exam OR-squared T-statistic Z-score 34 A financial analyst theorizes that commute times increase as the percentage of land availability for homes in a city decreases. To test this hypothesis, the analyst uses a regression analysis to explore how land availability predicts commute time. What does land availability represent in this regression? It is a control. O It is the target variable. It is the dependent variable. It is the independent variable. 27 Why would a human resources department use both mean and median when doing a salary evaluation of a department? A large difference between mean and median shows a miscalculation in the analysis. O A large difference between mean and median shows there are outliers to assess. A large difference between mean and median shows an abnormal standard deviation. A large difference between mean and median shows that some employees need