若将数据分成四组,则组距是https://edu-image.nosdn.127.net/5B30A7B195337C17E80E72735BC7B9DF.png?imageView&thumbnail=520x520&quality=100
举一反三
- 18037041f74f314.png若将数据分成四组,则组距是( ) A: 6 B: 7 C: 8 D: 9
- 若将数据分成如下三组: 第1组:43.5~54.5 第2组:54.5~65.5 第3组:65.5~76.5 则第2组的频率是https://edu-image.nosdn.127.net/11E2D5F9BFCD255E9F54A3BC268F3504.png?imageView&thumbnail=520x520&quality=100
- https://edu-image.nosdn.127.net/7DC9333C2E354E878E3200F31EF46719.png?imageView&thumbnail=520x520&quality=100
- https://edu-image.nosdn.127.net/86DE24FCC064B3F1E1CAC249B9B67818.jpg?imageView&thumbnail=520x520&quality=100
- https://edu-image.nosdn.127.net/145375316803FD7CEC079D9EBD287594.png?imageView&thumbnail=520x520&quality=100