Why are descriptive statistics , but inferential statistics not needed? a. descriptive statistics can make predictions about the population, but the amount of data in the inferential statistics is too large to be . b. descriptive statistics can summarize the large amount of raw data, but the amount of data in the inferential statistics is too large to be . c. descriptive statistics can summarize the large amount of raw data, but since everything is known for the population, there is nothing to infer. d. descriptive statistics can make predictions about the population, so there is nothing to infer.