The numbers of flights by NASA astronauts, as listed in Data Set 10 in Appendix B.

Refer to the indicated data set and determine whether the data have a normal distribution. Assume that this requirement is loose in the sense that the population distribution need not be exactly normal, but it must be a distribution that is roughly bell-shaped.

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Data Set 10: NASA Space Transport System Data Data set name is NASA. Worksheet name is NASA.MTW. STATDISK: Minitab: Excel: Workbook name is NASA.XLS. TI-83/84 Plus: App name is NASA and the file names are the same as for text files. NASA1, NASA2. Text file names: Shuttle Flight Durations (hours) 54 54 192 169 122 120 146 145 247 191 167 144 197 191 73 167 169 190 170 97 168 165 146 97 105 214 213 262 198 284 259 119 96 120 261 106 121 215 143 336 259 221 240 405 243 423 98 199 218 213 335 269 353 175 143 381 196 222 239 214 377 118 128 166 262 269 221 376 193 331 191 174 399 235 376 211 213 283 283 309 244 239 259 309 307 285 306 95 381 235 382 333 306 191 269 237 285 283 262 259 332 259 330 Numbers of Shuttle Flights by Astronauts 3 1 1 1 1 1 1 6. 1 1 1 5 INN-MO NMOM -MMMO 44- ONO2O4440- O1MM- 4-7-0M-OMM O1-50 60362 n ON22 ONMO N++O-2M-22N OMMOt O-53124230C 42-4N OON-2 n OM-M -34O4t MMOS- 2-5 M 22 C N+OM 12210 50O7 12C N542 12211 3045 OM1 4. 4ON21 22 22-MO o-ONMOoMtC