. 2022 Jun 1;15(9):1635–1646. doi: 10.1007/s11869-022-01209-9

Table 6.

Analysis of variance of PM10 by stations and time

Year	Station	N	Mean	Confidence interval for 95% mean		Standard deviation	Min	Max	Wilcoxon signed-rank test sig
Year	Station	N	Mean	Lower limit	Upper limit	Standard deviation	Min	Max	Wilcoxon signed-rank test sig
2016	Başöğretmen	8111	58.686	57.485	59.886	55.147	1.31	1645.48	0.000
	Meteoroloji	8287	46.950	46.193	47.707	35.144	0.02	756.62	0.000
	İstasyon K	8400	71.713	70.723	72.702	46.252	2.87	461.46	0.000
	Kruskal–Wallis test p_value = 0.000
2017	Başöğretmen	8667	64.293	63.005	65.581	61.184	1.81	1658.15	0.000
	Meteoroloji	8559	53.177	52.106	54.248	50.539	1.16	612.38	0.000
	İstasyon K	8349	78.966	77.701	80.231	58.970	0.74	920.79	0.061*
	Kruskal–Wallis test p_value = 0.000
2018	Başöğretmen	8687	51.483	49.923	53.043	74.167	0.49	3554.02	0.000
	Meteoroloji	8293	55.771	54.804	56.737	44.918	4.00	779.14	0.000
	İstasyon K	8714	62.747	60.974	64.521	84.439	0.00	4766.95	0.084*
	Kruskal–Wallis test p_value = 0.000
2019	Başöğretmen	8355	46.451	45.711	47.191	34.504	0.82	315.28	0.000
	Meteoroloji	7832	47.467	46.593	48.342	39.473	0.03	495.54	0.000
	İstasyon K	8598	59.822	58.986	60.658	39.528	1.13	334.43	0.000
	Kruskal–Wallis test p_value = 0.000
2020	Başöğretmen	6382	44.549	43.691	45.407	34.967	0.24	341.47	0.000
	Meteoroloji	8070	42.013	41.234	42.792	35.706	0.17	570.38	0.000
	İstasyon K	7310	57.027	56.180	57.874	36.932	2.67	286.70	0.014
	Kruskal–Wallis test p_value = 0.000

N, number of data. ^* The difference is not statistically significant at the 95% significance level