One-year-old Jude Immanuel Bijoy was among five children shifted from the cardiothoracic intensive care unit (ICU) of MIOT Hospital in Chennai Thursday when the hospital realised it could not manage critically ill patients as flood water had knocked out power and oxygen supply for 48 hours.
Now we have to be very careful. There are two standard deviations listed on the calculator. The symbol Sx stands for sample standard deviation and the symbol stands for population standard deviation. If we assume this was sample data, then our final answer would be.
When we used the whole population we got: Mean = 7, Standard Deviation = 2.983... When we used the sample we got: Sample Mean = 6.5, Sample Standard Deviation = 3.619... Our Sample Mean was wrong by 7%, and our Sample Standard Deviation was wrong by 21%.