Table 4. Frequency distribution and fertilization measures for yield and yield components.

Y yield and yield components	Levels	N		P2O5		K2O
		X1 Times	Frequency	X2 Times	Frequency	X3 Times	Frequency
Ymax = 2,394.6 kg ha-1		X1 = 1	0.3667	X2 = 1	0.3330	X3 = 1	0.3670
Yield ≥2,141.69 kg ha-1	-1.68	0	0	0	0	0	0
	-1	1	0.0333	1	0.0333	2	0.0667
	0	10	0.3333	9	0.3000	9	0.3000
	1	11	0.3667	10	0.3333	11	0.3667
	1.68	8	0.2663	10	0.3333	8	0.2667
	Weight mean	0.782		0.861		0.748
	Standard error	0.135		0.138		0.145
	95% confidence interval	0.518–1.046		0.591–1.130		0.465–1.032
	Fertilization (kg ha-1)	34.38–42.62		17.55–21.70		53.23–67.29
Ymax = 30.45		X1 = 1.68	0.3636	X2 = 1.68	0.3030	X3 = 0	0.3333
Pods per plant ≥23.41	-1.68	0	0	0	0	0	0
	-1	0	0	3	0.0909	6	0.1818
	0	7	0.2121	10	0.3030	11	0.3333
	1	14	0.4242	10	0.3030	10	0.3030
	1.68	12	0.3636	10	0.3030	6	0.1818
	Weight mean	1.036		0.722		0.427
	Standard error	0.107		0.149		0.157
	95% confidence interval	0.826–1.246		0.430–1.013		0.119–0.735
	Fertilization (kg ha-1)	39.19–45.74		16.31–20.80		44.65–59.93
Ymax = 15.54		X1 = -1.68	0.3750	X2 = 0	0.2500	X3 = -1.68	0.4000
Seeds per pod ≥13.2	-1.68	15	0.375	7	0.175	16	0.4
	-1	13	0.325	8	0.2	15	0.375
	0	11	0.275	10	0.25	9	0.225
	1	1	0.025	8	0.2	0	0
	1.68	0	0	7	0.175	0	0
	Weight mean	-0.931		0		-1.048
	Standard error	0.117		0.186		0.101
	95% confidence interval	-1.159–-0.702		-0.365-0.365		-1.246–-0.850
	Fertilization (kg ha-1)	8.22–15.35		10.19–15.81		10.80–20.62
Ymax = 7.84		X1 = 1.68	0.4032	X2 = -1.68	0.2419	X3 = -1.68	0.2097
100-seed weight ≥6.58 g	-1.68	0	0	15	0.2419	13	0.2097
	-1	0	0	15	0.2419	12	0.1935
	0	12	0.1935	12	0.1935	12	0.1935
	1	25	0.4032	10	0.1613	12	0.1935
	1.68	25	0.4032	10	0.1613	13	0.2907
	Weight mean	1.081		-0.216		0
	Standard error	0.078		0.155		0.159
	95% confidence interval	0.929–1.234		-0.521–0.088		-0.312–0.312
	Fertilization (kg ha-1)	40.79–45.55		8.99–13.68		33.96–49.44