Sometimes it is possible that missing data are predictive in the sense that rows with missing data are somehow different from rows without missing data. Check this with the file P02_32.xlsx, which contains blood pressures for 1000 (fictional) people, along with variables that can be related to blood pressure. These other variables have a number of missing values, presumably because the people didn't want to report certain information.

a. For each of these other variables, find the mean of blood pressure for all people without missing values. Round your answers to two decimal places, if necessary.

Data Filled In	Age	Income	Alcohol	Exercise	Smoke
Mean

For each of these other variables, find the mean of blood pressure for all people with missing values. Round your answers to two decimal places, if necessary.

Missing Data	Age	Income	Alcohol	Exercise	Smoke
Mean