Joey and Dee Dee bowled five games at the Rock 'n' Bowl Lanes. Their scores are given in the following table. Joey 147 173 223 162 135 Dee Dee 187 171 192 147 138 (a) Find the mean score of each bowler. Joey Dee Dee Who has the highest mean? Dee Dee O Joey (b) Find the standard deviation of each bowler's scores. (Round your answers to one decimal place.) Joey Dee Dee (c) Who is the more consistent bowler? Why? Dee Dee is more consistent because her scores have a lower standard deviation. O Joey is more consistent because his scores have a higher standard deviation. Dee Dee is more consistent because her scores have a higher mean. O Joey is more consistent because his scores have a lower standard deviation. Joey is more consistent because his scores have a higher mean