Nielson Media Research provides 2 measures of television viewing: program rating (percentage of households with televisions watching a program) and program share (percentage of households watching a program among those with televisions in use. The following data show the Nielson television rating and share data for the MLB World Series over a nine-year period.

Rating	19	17	17	14	16	12	15	12	13
Share	32	28	29	24	26	20	24	20	22

Calculate the sample standard deviationof share.