Household Income All Houses on Church Street (thousands) Mean: 55 Median: 49 Range: 280 Mean Deviation: 19.2 Group 1 38 45 76 93 50 54 29 44 62 31 Group 2 23 74 50 49 67 34 105 59 40 48 Group 3 280 40 39 40 45 52 31 44 50 49 Group 4 27 54 42 40 115 48 72 33 28 61 The summary statistics for household incomes of all of the houses on Church Street are shown. Four sample groups were taken from houses on the street. Which sample group has a mean greater than that of the population?