please help

Consider the following sample data. Sample A: 9', 15, 21 Sample B.- 67, 7'3, T9 Sample C.- 1,l3: 1,36: LIT-12 {a} Find the mean and standard deviation for each sample. Eagle A: Sample E: Sample Cl Mean |:| |:| |:| Sample Standard Deviation |:| |:| |:| {b} 1What does this exercise show about the standard deviation'il '3' The idea is to illustrate that the standard deviation is not a function of the value of the mean. '3' The idea is to illustrate that the standard deviation is a function of the value of the mean