四、我国26个城市1〜12月空气质量综合指数月均值如下表 4所示,试月份为横坐标,绘制折线图。 ⏺表4 26个城市1〜12月空气质量综合指数表空气质量综合指数123456789101112A13.904.163.233.203.202.842.202.142.536.124.286.39B13.803.923.273.523.703.132.242.792.25.094.025.13C16.004.584.153.404.383.403.303.433.314.494.546.09D1..203.844.223.484.053.243.293.203.484.444.075.12E26.509.226.935.626.706.545.075.086.258.307.251..22F10.405.225.384.634.564.893.863.803.925.475.155.39G15.507.786.925.083.833.383.783.884.585.763.798.00H8.804.296.114.653.383.363.293.543.623.474.284.79I15.207.395.292.933.033.163.263.433.883.965.094.35J9.703.175.243.143.093.334.133.112.263.264.283.79K1..404.063.283.303.082.561.671.882.653.794.895.42L1..905.656.814.423.823.523.423.653.274.713.855.89M6.202.853.693.882.592.721.782.342.993.042.933.28N8.102.453.662.872.662.691.442.212.803.452.563.85O7.502.333.332.832.972.511.862.393.344.763.815.27P6.302.172.472.762.762.402.012.372.012.772.262.72Q16.206.214.524.484.965.014.063.794.555.654.786.44R12.504.304.384.034.053.282.493.094.435.684.776.60S10.503.404.333.873.602.822.482.623.525.374.245.04分術案例处理摘要主加叙秦例N百分比有效2596.2排睜的缺失或越界组代碣13.6至少一吓缺矢判别変量.0華失或越界址低码环有至.0未罐定的.013,8合计2610..0⏺fWk® ffl I «llMi⏺⏺⏺磁箱異b叩11 HOD
四、我国26个城市1〜12月空气质量综合指数月均值如下表 4所示,试月份为横坐标,绘制折线图。 (10分)⏺表4 26个城市1〜12月空气质量综合指数表空气质量综合指数123456789101112A1
3.90
4.16
3.23
3.20
3.20
2.84
2.20
2.14
2.53
6.12
4.28
6.39B1
3.80
3.92
3.27
3.52
3.70
3.13
2.24
2.79
2.2
5.09
4.02
5.13C1
6.00
4.58
4.15
3.40
4.38
3.40
3.30
3.43
3.31
4.49
4.54
6.09D
1..20
3.84
4.22
3.48
4.05
3.24
3.29
3.20
3.48
4.44
4.07
5.12E2
6.50
9.22
6.93
5.62
6.70
6.54
5.07
5.08
6.25
8.30
7.25
1..22F1
0.40
5.22
5.38
4.63
4.56
4.89
3.86
3.80
3.92
5.47
5.15
5.39G1
5.50
7.78
6.92
5.08
3.83
3.38
3.78
3.88
4.58
5.76
3.79
8.00H
8.80
4.29
6.11
4.65
3.38
3.36
3.29
3.54
3.62
3.47
4.28
4.79I1
5.20
7.39
5.29
2.93
3.03
3.16
3.26
3.43
3.88
3.96
5.09
4.35J
9.70
3.17
5.24
3.14
3.09
3.33
4.13
3.11
2.26
3.26
4.28
3.79K
1..40
4.06
3.28
3.30
3.08
2.56
1.67
1.88
2.65
3.79
4.89
5.42L
1..90
5.65
6.81
4.42
3.82
3.52
3.42
3.65
3.27
4.71
3.85
5.89M
6.20
2.85
3.69
3.88
2.59
2.72
1.78
2.34
2.99
3.04
2.93
3.28N
8.10
2.45
3.66
2.87
2.66
2.69
1.44
2.21
2.80
3.45
2.56
3.85O
7.50
2.33
3.33
2.83
2.97
2.51
1.86
2.39
3.34
4.76
3.81
5.27P
6.30
2.17
2.47
2.76
2.76
2.40
2.01
2.37
2.01
2.77
2.26
2.72Q1
6.20
6.21
4.52
4.48
4.96
5.01
4.06
3.79
4.55
5.65
4.78
6.44R1
2.50
4.30
4.38
4.03
4.05
3.28
2.49
3.09
4.43
5.68
4.77
6.60S1
0.50
3.40
4.33
3.87
3.60
2.82
2.48
2.62
3.52
5.37
4.24
5.04分術案例处理摘要主加叙秦例N百分比有效259
6.2排睜的缺失或越界组代碣1
3.6至少一吓缺矢判别変量.0華失或越界址低码环有至.0未罐定的.013,8合计261
0..0⏺fWk® ffl I «llMi⏺⏺⏺磁箱異b叩11 HOD