A process that is considered to be in control measures an ingredient in ounces. Below are the last $10$ samples $($each of size n $=5)$ taken. The population process standard deviation is $1\mathrm{.}64$ Refer to Table A process that is considered to be in control measures an ingredient in ounces. Below are the last $10$ samples $($each of size n $5)$ taken. The population process standard deviation is $1\mathrm{.}64.$ Samples $24789108981010111215912111210119999129811101110117128$ a$)$ Standard deviation of the sampling means ounces $($round your response to three decimal places$)$