3 |
2.5 |
0.6 |
1 |
2 |
2 |
2 |
3.3 |
2.5 |
1.8 |
2.5 |
2.2 |
3.5 |
4 |
1.5 |
2.5 |
3.1 |
2.8 |
3.3 |
2.4 |
整理數(shù)據(jù):
網(wǎng)上學(xué)習(xí)時(shí)間x(時(shí)) |
0<x≤1 |
1<x≤2 |
2<x≤3 |
3<x≤4 |
人數(shù) |
2 |
5 |
8 |
5 |
分析數(shù)據(jù):
統(tǒng)計(jì)量 |
平均數(shù) |
中位數(shù) |
眾數(shù) |
數(shù)值 |
2.4 |
m |
n |
根據(jù)以上信息,解答下列問(wèn)題: