b477_9017

Ecologists assess biodiversity across four Chicago-area villages by calculating Z-scores for plant diversity, insect diversity, and bird diversity. Based on the data provided below, which village shows the LOWEST level of biodiversity overall?

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Elk Grove	-1.75	1.26	0.29	-0.20
Hoffman Estates	-1.00	-0.03	-1.47	-2.50
Oak Lawn	0.54	-0.42	2.41	2.50
Woodridge	1.69	2.10	0.88	4.70

Elk Grove Incorrect Hoffman Estates Correct Oak Lawn Incorrect Woodridge Incorrect MC

368b_5d93

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Evanston	1.32	-2.52	0.43	-0.80
Hoffman Estates	1.67	1.62	0.82	4.10
Lake Forest	-0.91	-0.00	-1.71	-2.60
Park Ridge	0.61	-0.41	2.15	2.40

Evanston Incorrect Hoffman Estates Correct Lake Forest Incorrect Park Ridge Incorrect MC

1ee9_fa77

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Addison	-0.04	-1.59	-0.54	-2.20
Berwyn	1.44	0.53	-1.87	0.10
Bolingbrook	2.15	1.76	1.29	5.20
Des Plaines	-0.20	2.41	0.76	3.00

Addison Correct Berwyn Incorrect Bolingbrook Incorrect Des Plaines Incorrect MC

f271_7109

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Addison	2.31	-0.20	0.79	2.90
Des Plaines	2.20	1.14	1.85	5.20
Elk Grove	1.55	-1.43	0.35	0.50
Roselle	-0.09	-0.48	-1.26	-1.80

Addison Incorrect Des Plaines Incorrect Elk Grove Incorrect Roselle Correct MC

79f4_de8f

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Arlington Heights	-0.81	0.38	2.09	1.70
Bensenville	1.81	1.32	0.54	3.70
Elmhurst	-1.83	-0.73	-1.32	-3.90
Park Ridge	0.04	0.93	-2.11	-1.10

Arlington Heights Incorrect Bensenville Correct Elmhurst Incorrect Park Ridge Incorrect MC

ad18_30cd

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Crystal Lake	2.04	1.81	0.84	4.70
Elk Grove	2.50	-0.89	0.53	2.10
Hoffman Estates	1.10	0.15	-2.11	-0.90
Skokie	-1.66	-0.28	-1.45	-3.40

Crystal Lake Correct Elk Grove Incorrect Hoffman Estates Incorrect Skokie Incorrect MC

9552_4d88

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Des Plaines	1.26	1.84	0.71	3.80
Northbrook	-0.99	-0.29	-1.56	-2.80
Orland Park	-0.60	2.18	0.27	1.90
Park Ridge	-1.99	-0.12	0.94	-1.20

Des Plaines Correct Northbrook Incorrect Orland Park Incorrect Park Ridge Incorrect MC

bbbe_bd05

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Downers Grove	1.91	0.64	2.07	4.60
Northbrook	-1.59	-0.99	-0.28	-2.90
Tinley Park	2.43	0.25	-0.63	2.00
Wheaton	-1.97	-0.06	1.58	-0.40

Downers Grove Incorrect Northbrook Correct Tinley Park Incorrect Wheaton Incorrect MC

9420_97c0

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Arlington Heights	0.88	-0.47	-2.37	-2.00
Northbrook	-1.95	-1.47	-0.95	-4.40
Oak Lawn	2.06	0.39	-1.31	1.10
Plainfield	0.63	1.81	1.47	3.90

Arlington Heights Incorrect Northbrook Correct Oak Lawn Incorrect Plainfield Incorrect MC

75d6_7f98

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Lake Forest	2.04	0.42	-0.52	1.90
Mount Prospect	1.90	1.62	0.61	4.10
Roselle	-1.98	-0.14	0.88	-1.20
Skokie	-1.41	-1.12	-0.45	-3.00

Lake Forest Incorrect Mount Prospect Incorrect Roselle Incorrect Skokie Correct MC

2c3a_7395

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Crystal Lake	-0.80	0.36	2.11	1.70
Hoffman Estates	0.46	1.63	1.92	4.00
Roselle	-1.95	1.00	-0.05	-1.00
Skokie	-1.20	-0.16	-1.91	-3.30

Crystal Lake Incorrect Hoffman Estates Correct Roselle Incorrect Skokie Incorrect MC

44f0_7423

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Hoffman Estates	0.30	-0.61	-2.00	-2.30
Morton Grove	-1.34	2.18	-0.30	0.50
Roselle	0.81	0.13	1.19	2.10
Streamwood	-1.53	-0.80	-1.87	-4.20

Hoffman Estates Incorrect Morton Grove Incorrect Roselle Correct Streamwood Incorrect MC

eebd_cc8a

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Addison	1.30	0.46	1.61	3.40
Bartlett	1.76	-0.65	0.33	1.40
Evanston	-0.10	0.82	-1.92	-1.20
Plainfield	-1.57	-0.83	-0.40	-2.80

Addison Incorrect Bartlett Incorrect Evanston Incorrect Plainfield Correct MC

143d_4c0e

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Arlington Heights	-1.47	-0.89	-0.38	-2.70
Crystal Lake	0.85	0.12	-1.99	-1.00
Hinsdale	-0.64	0.18	2.35	1.90
Skokie	0.50	1.06	1.66	3.20

Arlington Heights Correct Crystal Lake Incorrect Hinsdale Incorrect Skokie Incorrect MC

7f9c_dd36

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Arlington Heights	-1.35	-1.26	-0.48	-3.10
Lombard	0.35	0.93	1.41	2.70
Northbrook	-0.97	0.04	1.75	0.80
Woodridge	0.69	-0.34	-1.80	-1.50

Arlington Heights Correct Lombard Incorrect Northbrook Incorrect Woodridge Incorrect MC

5d65_bd04

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Downers Grove	1.81	0.37	-1.31	0.90
Orland Park	-1.79	-0.78	-1.97	-4.50
Streamwood	0.54	1.28	1.59	3.40
Wilmette	-2.45	0.82	-0.26	-1.90

Downers Grove Incorrect Orland Park Incorrect Streamwood Correct Wilmette Incorrect MC

0597_55f7

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Elmhurst	-1.82	-2.13	-1.01	-5.00
Evanston	-2.39	0.68	-0.73	-2.40
Naperville	0.94	0.34	1.05	2.30
Wilmette	1.68	-1.31	-0.38	-0.00

Elmhurst Incorrect Evanston Incorrect Naperville Correct Wilmette Incorrect MC

0727_7ed8

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Buffalo Grove	-1.08	-1.79	0.14	-2.70
Elmhurst	1.98	0.90	1.69	4.60
Morton Grove	-0.56	0.46	2.36	2.30
Schaumburg	-2.00	1.47	0.23	-0.30

Buffalo Grove Correct Elmhurst Incorrect Morton Grove Incorrect Schaumburg Incorrect MC

ec95_b58c

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Crystal Lake	1.15	0.05	-1.82	-0.60
Oak Lawn	0.31	-0.50	2.10	1.90
Orland Park	-1.40	-1.12	-0.41	-2.90
Palatine	1.94	0.93	1.36	4.20

Crystal Lake Incorrect Oak Lawn Incorrect Orland Park Correct Palatine Incorrect MC

84fe_b9d6

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Arlington Heights	-1.45	-0.31	-1.17	-2.90
Lake Forest	-0.05	-1.73	1.37	-0.40
Skokie	0.54	-0.51	2.12	2.10
Wilmette	1.11	2.01	1.85	5.00

Arlington Heights Incorrect Lake Forest Incorrect Skokie Incorrect Wilmette Correct MC

70b8_396c

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Evanston	-0.34	-0.91	-1.12	-2.40
Orland Park	-1.94	1.32	-0.07	-0.70
Plainfield	-0.73	2.26	0.21	1.70
Schaumburg	1.81	2.13	0.80	4.70

Evanston Incorrect Orland Park Incorrect Plainfield Incorrect Schaumburg Correct MC

c42b_4af2

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Crystal Lake	0.14	-0.89	-1.19	-1.90
Elk Grove	1.29	0.19	-1.37	0.10
Glenview	0.81	1.46	1.76	4.00
Streamwood	0.61	2.09	-0.72	2.00

Crystal Lake Incorrect Elk Grove Incorrect Glenview Correct Streamwood Incorrect MC

f93e_129a

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Arlington Heights	0.88	-0.00	-1.79	-0.90
Highland Park	-1.20	-1.01	-0.24	-2.40
Lombard	1.57	1.75	0.62	3.90
Orland Park	-0.60	0.37	2.21	2.00

Arlington Heights Incorrect Highland Park Correct Lombard Incorrect Orland Park Incorrect MC

ea39_a501

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Highland Park	1.66	0.79	1.50	4.00
Lombard	1.18	-0.28	-1.71	-0.80
Roselle	2.14	0.09	-0.90	1.30
St. Charles	-0.65	-1.27	-1.41	-3.30

Highland Park Correct Lombard Incorrect Roselle Incorrect St. Charles Incorrect MC

b224_a5c4

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Addison	1.11	-0.65	-2.35	-1.90
Buffalo Grove	0.68	1.74	1.56	4.00
Mount Prospect	-1.27	1.97	-0.15	0.50
Naperville	-1.38	-0.82	-2.21	-4.40

Addison Incorrect Buffalo Grove Incorrect Mount Prospect Incorrect Naperville Correct MC

ad41_5993

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Arlington Heights	-2.46	1.21	-0.70	-2.00
Des Plaines	0.38	2.45	-1.25	1.60
Downers Grove	-0.81	-1.48	-2.19	-4.50
Oak Lawn	1.88	0.62	1.59	4.10

Arlington Heights Incorrect Des Plaines Incorrect Downers Grove Correct Oak Lawn Incorrect MC

7835_8395

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Algonquin	-0.50	-2.28	0.73	-2.00
Bolingbrook	-1.50	1.45	-0.13	-0.20
Hoffman Estates	-2.22	-1.09	-1.70	-5.00
Skokie	1.08	0.21	0.78	2.10

Algonquin Incorrect Bolingbrook Incorrect Hoffman Estates Incorrect Skokie Correct MC

ec18_af69

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Carol Stream	-1.04	-1.59	-1.85	-4.50
Highland Park	1.14	1.45	-0.13	2.50
Naperville	-1.16	-0.44	1.71	0.10
Palatine	0.46	-0.55	-2.10	-2.20

Carol Stream Correct Highland Park Incorrect Naperville Incorrect Palatine Incorrect MC

bc61_fbc6

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Bartlett	0.49	-1.81	-0.20	-1.50
Hinsdale	-0.59	-1.62	-1.32	-3.50
Naperville	1.44	0.40	1.26	3.10
Skokie	-0.84	1.72	0.06	0.90

Bartlett Incorrect Hinsdale Incorrect Naperville Correct Skokie Incorrect MC

296a_fb0e

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Addison	1.51	0.60	1.28	3.40
Bolingbrook	0.12	2.16	-1.20	1.10
Elmhurst	1.02	-0.44	-2.18	-1.60
Hinsdale	-1.90	-0.63	-1.42	-3.90

Addison Incorrect Bolingbrook Incorrect Elmhurst Incorrect Hinsdale Correct MC

3602_d369

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Bensenville	0.68	-1.71	-0.21	-1.20
Downers Grove	0.89	0.37	1.19	2.40
Orland Park	-0.52	-1.55	-1.11	-3.20
Schaumburg	-0.07	1.47	-0.91	0.50

Bensenville Incorrect Downers Grove Incorrect Orland Park Correct Schaumburg Incorrect MC

5295_65f3

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Des Plaines	-1.48	-1.94	-1.01	-4.40
Hoffman Estates	-1.06	1.93	-0.36	0.50
Park Ridge	-0.73	-2.16	0.29	-2.60
Woodridge	0.65	0.99	-0.04	1.60

Des Plaines Incorrect Hoffman Estates Incorrect Park Ridge Incorrect Woodridge Correct MC

ae93_04f0

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Lake Forest	0.33	1.11	1.54	3.00
Morton Grove	-1.75	-1.13	-2.09	-5.00
Roselle	0.12	-1.52	2.43	1.00
St. Charles	-0.27	-2.37	0.73	-1.90

Lake Forest Incorrect Morton Grove Correct Roselle Incorrect St. Charles Incorrect MC

d0a7_95bf

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Highland Park	-1.44	-0.90	-1.88	-4.20
Lake Forest	-1.18	2.26	-0.08	1.00
Orland Park	-0.22	-2.17	1.53	-0.90
Schaumburg	1.81	1.05	2.17	5.00

Highland Park Incorrect Lake Forest Incorrect Orland Park Incorrect Schaumburg Correct MC

37e7_de25

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Arlington Heights	0.14	1.75	-0.79	1.10
Elk Grove	-1.13	-1.79	-0.68	-3.60
Naperville	-0.17	0.89	-2.13	-1.40
Roselle	1.44	0.35	1.21	3.00

Arlington Heights Incorrect Elk Grove Correct Naperville Incorrect Roselle Incorrect MC

825f_c437

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Downers Grove	-1.06	-1.00	-0.26	-2.30
Hoffman Estates	-0.54	2.19	0.46	2.10
Streamwood	-0.14	-1.96	1.10	-1.00
Wheaton	1.49	0.99	1.80	4.30

Downers Grove Incorrect Hoffman Estates Incorrect Streamwood Incorrect Wheaton Correct MC

416a_5cc0

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Lake Forest	-0.83	-2.48	0.94	-2.40
Oak Lawn	-0.71	1.74	-1.52	-0.50
Park Ridge	1.29	0.15	1.38	2.80
Wheaton	-2.12	-1.29	-1.87	-5.30

Lake Forest Incorrect Oak Lawn Incorrect Park Ridge Incorrect Wheaton Correct MC

fa09_0157

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Addison	-0.48	-1.65	-1.07	-3.20
Arlington Heights	-0.21	-2.22	0.71	-1.70
Glenview	1.65	0.34	1.62	3.60
Lake Forest	0.05	2.37	-0.86	1.60

Addison Correct Arlington Heights Incorrect Glenview Incorrect Lake Forest Incorrect MC

4de6_39b7

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Des Plaines	0.96	-0.39	-2.05	-1.50
Park Ridge	2.06	0.94	1.54	4.50
Schaumburg	-1.58	-1.70	-0.54	-3.80
Streamwood	2.48	-1.32	0.43	1.60

Des Plaines Incorrect Park Ridge Correct Schaumburg Incorrect Streamwood Incorrect MC

d15d_d1e8

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Addison	1.02	0.15	-1.98	-0.80
St. Charles	-0.60	2.05	0.34	1.80
Wheaton	-1.26	-0.34	-1.75	-3.30
Woodridge	1.38	0.68	1.05	3.10

Addison Incorrect St. Charles Incorrect Wheaton Correct Woodridge Incorrect MC

01fa_25d6

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Bartlett	0.42	-1.82	1.07	-0.30
Bolingbrook	2.36	-0.48	0.57	2.40
Highland Park	1.79	0.98	1.45	4.20
Roselle	-1.41	0.09	-1.11	-2.40

Bartlett Incorrect Bolingbrook Incorrect Highland Park Incorrect Roselle Correct MC

d903_3ab2

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Arlington Heights	-1.41	1.67	-0.47	-0.20
Bensenville	1.11	-0.08	1.53	2.60
Lake Forest	-1.22	-1.66	-2.02	-4.90
Wheaton	0.24	-2.35	-0.88	-3.00

Arlington Heights Incorrect Bensenville Correct Lake Forest Incorrect Wheaton Incorrect MC

38c8_4270

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Bartlett	-0.26	-1.08	1.27	-0.10
Berwyn	-0.00	0.72	1.03	1.70
Mount Prospect	-0.94	-1.47	-1.51	-3.90
Villa Park	-1.89	0.28	-0.63	-2.20

Bartlett Incorrect Berwyn Correct Mount Prospect Incorrect Villa Park Incorrect MC

f6d9_2072

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Addison	-1.80	-1.47	-0.71	-4.00
Bartlett	-1.33	0.03	1.94	0.60
Plainfield	0.34	1.13	0.96	2.40
Tinley Park	-1.95	0.53	-0.30	-1.70

Addison Correct Bartlett Incorrect Plainfield Incorrect Tinley Park Incorrect MC

bf6f_04a0

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Algonquin	-0.99	2.01	0.73	1.70
Elk Grove	-1.63	-1.22	-0.34	-3.20
Palatine	1.47	0.98	1.90	4.40
Schaumburg	-1.79	0.26	1.11	-0.40

Algonquin Incorrect Elk Grove Correct Palatine Incorrect Schaumburg Incorrect MC

7454_669a

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Buffalo Grove	2.00	-0.23	-1.06	0.70
Elmhurst	1.17	0.03	1.77	3.00
Skokie	-0.89	-1.48	-1.68	-4.10
Villa Park	-2.47	0.39	-0.53	-2.60

Buffalo Grove Incorrect Elmhurst Incorrect Skokie Correct Villa Park Incorrect MC

b2c3_2708

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Mount Prospect	1.95	-0.02	-1.16	0.80
Palatine	-1.46	-1.00	-1.94	-4.40
Roselle	0.59	-0.24	-2.01	-1.70
Tinley Park	1.85	0.28	1.37	3.50

Mount Prospect Incorrect Palatine Correct Roselle Incorrect Tinley Park Incorrect MC

1d8d_3fa4

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Lisle	-2.50	-0.30	0.50	-2.30
Orland Park	1.60	0.22	1.34	3.20
Plainfield	-2.03	-1.65	-0.82	-4.50
Villa Park	0.10	-1.27	1.81	0.60

Lisle Incorrect Orland Park Incorrect Plainfield Correct Villa Park Incorrect MC

8712_d40f

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Addison	1.32	0.11	-1.98	-0.60
Crystal Lake	-1.02	-0.15	-1.66	-2.80
Plainfield	0.83	2.16	1.52	4.50
Villa Park	0.67	-0.55	2.31	2.40

Addison Incorrect Crystal Lake Correct Plainfield Incorrect Villa Park Incorrect MC

3576_7605

Village	Plant Z-Score	Insect Z-Score	Bird Z-Score	Total Z-Score
Oak Lawn	-0.68	-2.38	0.28	-2.80
Orland Park	1.02	0.52	0.08	1.60
Tinley Park	-1.27	1.41	-0.30	-0.20
Woodridge	-0.99	-1.55	-1.88	-4.40

Oak Lawn Incorrect Orland Park Incorrect Tinley Park Incorrect Woodridge Correct