Explain this to me

This table contains stats for heroes' picks and bans.
Rank is used to sort heroes by winrate, taking number of their picks and bans into account. Higher rank means the hero is stronger. Rev-Rank (Reverse Rank) is used to show the least effective heroes with the most number of matches.
Balance metric estimates how balanced the meta is (0 to 100)

Median hero picks (mp): 1 - Median hero bans (mb): 2 - Matches: 65

Remove low picks (0.9mp) Remove low bans (0.9mb)

Balance rank	Winrate	Pickrate	Contest Rate
56.9	83.3	33.6	24.4

Hero	Matches	Contest Rate	Rank	Rev-Rank	Picked	Winrate	mp	Banned	Winrate	mb
Lone Druid	16	24.62%	100.00	10.00	3	100.00%	3.0	13	76.92%	6.5
Templar Assassin	53	81.54%	98.89	65.56	16	56.25%	16.0	37	64.86%	18.5
Monkey King	24	36.92%	97.78	36.67	13	76.92%	13.0	11	63.64%	5.5
Rubick	38	58.46%	96.67	51.11	21	61.90%	21.0	17	70.59%	8.5
Nyx Assassin	31	47.69%	95.56	44.44	12	75.00%	12.0	19	57.89%	9.5
Troll Warlord	30	46.15%	94.44	45.56	15	73.33%	15.0	15	53.33%	7.5
Snapfire	60	92.31%	93.33	88.89	24	54.17%	24.0	36	52.78%	18.0
Earthshaker	43	66.15%	92.22	72.22	20	70.00%	20.0	23	34.78%	11.5
Ancient Apparition	32	49.23%	91.11	62.22	20	60.00%	20.0	12	50.00%	6.0
Slardar	42	64.62%	90.00	78.89	25	56.00%	25.0	17	47.06%	8.5
Magnus	31	47.69%	88.89	58.89	10	70.00%	10.0	21	47.62%	10.5
Void Spirit	54	83.08%	87.78	90.00	18	50.00%	18.0	36	50.00%	18.0
Shadow Demon	28	43.08%	86.67	61.11	14	57.14%	14.0	14	57.14%	7.0
Batrider	31	47.69%	85.56	64.44	10	60.00%	10.0	21	52.38%	10.5
Phantom Lancer	31	47.69%	84.44	67.78	12	50.00%	12.0	19	57.89%	9.5
Pangolier	21	32.31%	83.33	53.33	14	57.14%	14.0	7	57.14%	3.5
Faceless Void	27	41.54%	82.22	63.33	8	62.50%	8.0	19	47.37%	9.5
Lich	28	43.08%	81.11	68.89	20	45.00%	20.0	8	87.50%	4.0
Oracle	22	33.85%	80.00	56.67	14	64.29%	14.0	8	25.00%	4.0
Outworld Destroyer	32	49.23%	78.89	77.78	14	42.86%	14.0	18	61.11%	9.0
Puck	51	78.46%	77.78	96.67	14	35.71%	14.0	37	48.65%	18.5
Razor	28	43.08%	76.67	70.00	9	55.56%	9.0	19	47.37%	9.5
Morphling	44	67.69%	75.56	93.33	19	52.63%	19.0	25	32.00%	12.5
Bane	10	15.38%	74.44	31.11	8	75.00%	8.0	2	0.00%	1.0
Lina	27	41.54%	73.33	73.33	11	45.45%	11.0	16	56.25%	8.0
Dark Seer	7	10.77%	72.22	13.33	5	80.00%	5.0	2	50.00%	1.0
Tiny	27	41.54%	71.11	71.11	7	57.14%	7.0	20	45.00%	10.0
Omniknight	31	47.69%	70.00	83.33	9	44.44%	9.0	22	50.00%	11.0
Skywrath Mage	10	15.38%	68.89	28.89	5	60.00%	5.0	5	80.00%	2.5
Slark	29	44.62%	67.78	81.11	11	45.45%	11.0	18	50.00%	9.0
Enchantress	42	64.62%	66.67	94.44	17	52.94%	17.0	25	28.00%	12.5
Clockwerk	30	46.15%	65.56	85.56	16	43.75%	16.0	14	50.00%	7.0
Lifestealer	41	63.08%	64.44	95.56	20	40.00%	20.0	21	42.86%	10.5
Abaddon	12	18.46%	63.33	41.11	7	71.43%	7.0	5	20.00%	2.5
Timbersaw	18	27.69%	62.22	60.00	6	33.33%	6.0	12	66.67%	6.0
Beastmaster	6	9.23%	61.11	16.67	4	75.00%	4.0	2	50.00%	1.0
Gyrocopter	8	12.31%	60.00	32.22	5	60.00%	5.0	3	66.67%	1.5
Legion Commander	21	32.31%	58.89	82.22	14	35.71%	14.0	7	71.43%	3.5
Shadow Fiend	13	20.00%	57.78	46.67	4	75.00%	4.0	9	33.33%	4.5
Mars	15	23.08%	56.67	57.78	6	33.33%	6.0	9	66.67%	4.5
Storm Spirit	12	18.46%	55.56	50.00	8	50.00%	8.0	4	50.00%	2.0
Invoker	8	12.31%	54.44	40.00	7	57.14%	7.0	1	0.00%	0.5
Winter Wyvern	25	38.46%	53.33	92.22	11	36.36%	11.0	14	35.71%	7.0
Chen	4	6.15%	52.22	6.67	3	66.67%	3.0	1	100.00%	0.5
Vengeful Spirit	7	10.77%	51.11	37.78	6	50.00%	6.0	1	100.00%	0.5
Naga Siren	9	13.85%	50.00	34.44	0	0.00%	0.0	9	55.56%	4.5
Treant Protector	15	23.08%	48.89	76.67	8	37.50%	8.0	7	42.86%	3.5
Necrophos	2	3.08%	47.78	4.44	1	100.00%	1.0	1	100.00%	0.5
Drow Ranger	2	3.08%	47.78	4.44	1	100.00%	1.0	1	100.00%	0.5
Silencer	16	24.62%	45.56	84.44	9	33.33%	9.0	7	42.86%	3.5
Huskar	17	26.15%	44.44	80.00	2	0.00%	2.0	15	46.67%	7.5
Centaur Warrunner	13	20.00%	43.33	66.67	5	40.00%	5.0	8	37.50%	4.0
Phoenix	3	4.62%	42.22	8.89	3	66.67%	3.0	0	0.00%	0.0
Death Prophet	3	4.62%	42.22	8.89	3	66.67%	3.0	0	0.00%	0.0
Queen of Pain	4	6.15%	40.00	20.00	3	66.67%	3.0	1	0.00%	0.5
Undying	3	4.62%	38.89	12.22	2	50.00%	2.0	1	100.00%	0.5
Elder Titan	3	4.62%	38.89	12.22	2	50.00%	2.0	1	100.00%	0.5
Spirit Breaker	1	1.54%	36.67	2.22	1	100.00%	1.0	0	0.00%	0.0
Anti-Mage	1	1.54%	36.67	5.56	1	100.00%	1.0	0	0.00%	0.0
Crystal Maiden	1	1.54%	36.67	2.22	1	100.00%	1.0	0	0.00%	0.0
Io	16	24.62%	33.33	91.11	2	0.00%	2.0	14	35.71%	7.0
Leshrac	15	23.08%	32.22	97.78	7	14.29%	7.0	8	37.50%	4.0
Meepo	9	13.85%	31.11	54.44	0	0.00%	0.0	9	33.33%	4.5
Juggernaut	4	6.15%	30.00	35.56	3	33.33%	3.0	1	100.00%	0.5
Kunkka	8	12.31%	28.89	75.56	6	16.67%	6.0	2	100.00%	1.0
Broodmother	4	6.15%	27.78	18.89	0	0.00%	0.0	4	50.00%	2.0
Ember Spirit	14	21.54%	26.67	98.89	11	18.18%	11.0	3	33.33%	1.5
Terrorblade	3	4.62%	25.56	17.78	1	0.00%	1.0	2	100.00%	1.0
Doom	6	9.23%	24.44	55.56	4	25.00%	4.0	2	50.00%	1.0
Bloodseeker	3	4.62%	23.33	30.00	2	50.00%	2.0	1	0.00%	0.5
Nature's Prophet	4	6.15%	22.22	38.89	2	50.00%	2.0	2	0.00%	1.0
Viper	3	4.62%	21.11	21.11	0	0.00%	0.0	3	33.33%	1.5
Disruptor	14	21.54%	20.00	100.00	11	0.00%	11.0	3	66.67%	1.5
Earth Spirit	3	4.62%	18.89	43.33	2	0.00%	2.0	1	100.00%	0.5
Arc Warden	4	6.15%	17.78	52.22	2	0.00%	2.0	2	50.00%	1.0
Dark Willow	1	1.54%	16.67	27.78	1	0.00%	1.0	0	0.00%	0.0
Underlord	3	4.62%	15.56	74.44	3	0.00%	3.0	0	0.00%	0.0
Grimstroke	1	1.54%	14.44	27.78	1	0.00%	1.0	0	0.00%	0.0
Night Stalker	1	1.54%	14.44	27.78	1	0.00%	1.0	0	0.00%	0.0
Tusk	1	1.54%	14.44	27.78	1	0.00%	1.0	0	0.00%	0.0
Lion	1	1.54%	14.44	27.78	1	0.00%	1.0	0	0.00%	0.0
Wraith King	2	3.08%	10.00	48.89	2	0.00%	2.0	0	0.00%	0.0
Phantom Assassin	1	1.54%	8.89	15.56	0	0.00%	0.0	1	0.00%	0.5
Enigma	1	1.54%	8.89	15.56	0	0.00%	0.0	1	0.00%	0.5
Sand King	2	3.08%	6.67	48.89	2	0.00%	2.0	0	0.00%	0.0
Pugna	2	3.08%	5.56	33.33	0	0.00%	0.0	2	0.00%	1.0
Dragon Knight	2	3.08%	4.44	42.22	1	0.00%	1.0	1	0.00%	0.5
Tinker	1	1.54%	3.33	27.78	1	0.00%	1.0	0	0.00%	0.0
Medusa	4	6.15%	2.22	87.78	3	0.00%	3.0	1	0.00%	0.5
Riki	4	6.15%	2.22	87.78	3	0.00%	3.0	1	0.00%	0.5