The following data are infant mortality rates for urban and rural counties. Is there a statistically significant difference between the infant mortality rates? If yes what direction? 
 
Location    Mortality Rate       

Urban              15

Urban               7

Urban              11

Urban              13

Urban               6

Urban             13

Urban               7

Urban             15

Urban             11

Urban              7

Urban              3

Urban              3

Urban              4

Urban             11

Urban              8

Urban             15

Rural              10

Rural               8

Rural               6

Rural               7

Rural             20

Rural             12

Rural             14

Rural             16

Rural             18

Rural              6

Rural              7

Rural             17

Rural             14

Additional Information

This question is based on the Statistics and it is about calculating infant mortality rates based on urban and rural areas. The mean and standard deviation for the above data needs to be calculated. The solution has all the calculations.

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