According to the Bureau of Labor Statistics, the official unemployment rate was 5.8% among Blacks and 3.1% among Whites in February 2020. (This was just one month before the massive increase due to the COVID-19 pandemic ) Complete parts a through c. a. Identify the response variable and the explanatory variable. The response variable is | unemployment rate and the explanatory variable is race. b. Identify the two groups that are the categories of the explanatory variable. Employed and unemployed individuals Race and unemployment rate Black and Whin individuals c. The unemployment statistics are based on a sample of individuals. Were the samples of White individuals and Black individuals independent samples or dependent samples? Explain. O A. The samples were dependent because no individuals could be in both samples. B. The samples were independent because no individuals could be in both samples. C. The samples were independent because Individuals could be in both samples. O D. The samples were dependent because individuals could be in both samples