麻烦用spss帮我求解一下，雌鱼和雄鱼的体长分布是否存在差异？小弟是spss盲，最好给个方法，非常感谢
|
雌鱼体长/mm
228 |
雄鱼体长/mm
245 |
| 281 | 404 |
| 365 | 440 |
| 256 | 435 |
| 278 | 562 |
| 318 | 204 |
| 374 | 225 |
| 269 | 451 |
| 343 | 243 |
| 278 | 258 |
| 284 | 271 |
| 302 | 333 |
| 293 | 263 |
| 286 | 263 |
| 391 | 193 |
| 290 | 297 |
| 243 | 515 |
| 272 | 481 |
| 283 | 468 |
| 307 | 452 |
| 265 | 487 |
| 291 | 292 |
| 296 | 280 |
| 282 | 358 |
| 319 | 287 |
| 276 | 271 |
| 258 | |
| 402 | |
| 442 | |
| 408 | |
| 411 | |
| 415 |
难道都不会，大家帮帮忙啊，谢谢了
建立两个var:
| body length | sex |
| 281 | 1 |
| 365 | 1 |
| 256 | 1 |
| 278 | 1 |
| 318 | 1 |
| 374 | 1 |
| 269 | 1 |
| 343 | 1 |
| 278 | 1 |
| 284 | 1 |
| 302 | 1 |
| 293 | 1 |
| 286 | 1 |
| 391 | 1 |
| 290 | 1 |
| 243 | 1 |
| 272 | 1 |
| 283 | 1 |
| 307 | 1 |
| 265 | 1 |
| 291 | 1 |
| 296 | 1 |
| 282 | 1 |
| 319 | 1 |
| 276 | 1 |
| 245 | 2 |
| 404 | 2 |
| 440 | 2 |
| 435 | 2 |
| 562 | 2 |
| 204 | 2 |
| 225 | 2 |
| 451 | 2 |
| 243 | 2 |
| 258 | 2 |
| 271 | 2 |
| 333 | 2 |
| 263 | 2 |
| 263 | 2 |
| 193 | 2 |
| 297 | 2 |
| 515 | 2 |
| 481 | 2 |
| 468 | 2 |
| 452 | 2 |
| 487 | 2 |
| 292 | 2 |
| 280 | 2 |
| 358 | 2 |
| 287 | 2 |
| 271 | 2 |
| 258 | 2 |
| 402 | 2 |
| 442 | 2 |
| 408 | 2 |
| 411 | 2 |
| 415 | 2 |
Anaylze--〉compare means--> independent samples t test
p value<0.05 ==> two sample means are significantly different from each other.
所以雌雄鱼的平均体长是不同的。
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