1. | Two sets of geographers record the numbers of vehicles passing a key urban locality in 60 seconds at 9.00am and 4.00pm over the course of a week. The results obtained are: (i) 9.00pm (M=21, T=14, W=33, Th=19, F=5, S=1, Su=1) (ii) 4.00pm (M=38, T=19, W=41, Th=47, F=2, S=0, Su=3). What is the mean number of vehicles on Monday? |
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2. | Two sets of geographers record the numbers of vehicles passing a key urban locality in 60 seconds at 9.00am and 4.00pm over the course of a week. The results obtained are: (i) 9.00pm (M=21, T=14, W=33, Th=19, F=5, S=1, Su=1) (ii) 4.00pm (M=38, T=19, W=41, Th=47, F=2, S=0, Su=3). What is the mean number of vehicles on Saturday? |
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3. | Two sets of geographers record the numbers of vehicles passing a key urban locality in 60 seconds at 9.00am and 4.00pm over the course of a week. The results obtained are: (i) 9.00pm (M=21, T=14, W=33, Th=19, F=5, S=1, Su=1) (ii) 4.00pm (M=38, T=19, W=41, Th=47, F=2, S=0, Su=3). What is the mean number of vehicles on Wednesday? |
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4. | Two sets of geographers record the numbers of vehicles passing a key urban locality in 60 seconds at 9.00am and 4.00pm over the course of a week. The results obtained are: (i) 9.00pm (M=21, T=14, W=33, Th=19, F=5, S=1, Su=1) (ii) 4.00pm (M=38, T=19, W=41, Th=47, F=2, S=0, Su=3). What is the mean number of vehicles at 9.00am? |
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5. | Two sets of geographers record the numbers of vehicles passing a key urban locality in 60 seconds at 9.00am and 4.00pm over the course of a week. The results obtained are: (i) 9.00pm (M=21, T=14, W=33, Th=19, F=5, S=1, Su=1) (ii) 4.00pm (M=38, T=19, W=41, Th=47, F=2, S=0, Su=3). What is the mean number of vehicles at 4.00pm? |
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6. | Two sets of geographers record the numbers of vehicles passing a key urban locality in 60 seconds at 9.00am and 4.00pm over the course of a week. The results obtained are: (i) 9.00pm (M=21, T=14, W=33, Th=19, F=5, S=1, Su=1) (ii) 4.00pm (M=38, T=19, W=41, Th=47, F=2, S=0, Su=3). What is the mean number of vehicles counted? (give your answer to two decimal places) |
7. | Two sets of geographers record the numbers of vehicles passing a key urban locality in 60 seconds at 9.00am and 4.00pm over the course of a week. The results obtained are: (i) 9.00pm (M=21, T=14, W=33, Th=19, F=5, S=1, Su=1) (ii) 4.00pm (M=38, T=19, W=41, Th=47, F=2, S=0, Su=3). What is the median number of vehicles at 9.00am? |
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8. | Two sets of geographers record the numbers of vehicles passing a key urban locality in 60 seconds at 9.00am and 4.00pm over the course of a week. The results obtained are: (i) 9.00pm (M=21, T=14, W=33, Th=19, F=5, S=1, Su=1) (ii) 4.00pm (M=38, T=19, W=41, Th=47, F=2, S=0, Su=3). What is the median number of vehicles at 4.00pm? |
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9. | Two sets of geographers record the numbers of vehicles passing a key urban locality in 60 seconds at 9.00am and 4.00pm over the course of a week. The results obtained are: (i) 9.00pm (M=21, T=14, W=33, Th=19, F=5, S=1, Su=1) (ii) 4.00pm (M=38, T=19, W=41, Th=47, F=2, S=0, Su=3). What is the median number of vehicles observed? |
10. | Two sets of geographers record the numbers of vehicles passing a key urban locality in 60 seconds at 9.00am and 4.00pm over the course of a week. The results obtained are: (i) 9.00pm (M=21, T=14, W=33, Th=19, F=5, S=1, Su=1) (ii) 4.00pm (M=38, T=19, W=41, Th=47, F=2, S=0, Su=3). What is the mode number of vehicles at 9.00am? |
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11. | Two sets of geographers record the numbers of vehicles passing a key urban locality in 60 seconds at 9.00am and 4.00pm over the course of a week. The results obtained are: (i) 9.00pm (M=21, T=14, W=33, Th=19, F=5, S=1, Su=1) (ii) 4.00pm (M=38, T=19, W=41, Th=47, F=2, S=0, Su=3). What is the mode number of vehicles at 4.00pm? |
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12. | Two sets of geographers record the numbers of vehicles passing a key urban locality in 60 seconds at 9.00am and 4.00pm over the course of a week. The results obtained are: (i) 9.00pm (M=21, T=14, W=33, Th=19, F=5, S=1, Su=1) (ii) 4.00pm (M=38, T=19, W=41, Th=47, F=2, S=0, Su=3). What is the mode number of vehicles observed? |
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13. | Two sets of geographers record the numbers of vehicles passing a key urban locality in 60 seconds at 9.00am and 4.00pm over the course of a week. The results obtained are: (i) 9.00pm (M=21, T=14, W=33, Th=19, F=5, S=1, Su=1) (ii) 4.00pm (M=38, T=19, W=41, Th=47, F=2, S=0, Su=3). What is the standard deviation from the mean at 9.00am? (Give your answer to two decimal places) |
14. | Two sets of geographers record the numbers of vehicles passing a key urban locality in 60 seconds at 9.00am and 4.00pm over the course of a week. The results obtained are: (i) 9.00pm (M=21, T=14, W=33, Th=19, F=5, S=1, Su=1) (ii) 4.00pm (M=38, T=19, W=41, Th=47, F=2, S=0, Su=3). What is the standard error from the mean at 9.00am? (Give your answer to two decimal places) |
15. | Two sets of geographers record the numbers of vehicles passing a key urban locality in 60 seconds at 9.00am and 4.00pm over the course of a week. The results obtained are: (i) 9.00pm (M=21, T=14, W=33, Th=19, F=5, S=1, Su=1) (ii) 4.00pm (M=38, T=19, W=41, Th=47, F=2, S=0, Su=3). What is the standard deviation from the mean at 4.00pm? (Give your answer to two decimal places) |
16. | Two sets of geographers record the numbers of vehicles passing a key urban locality in 60 seconds at 9.00am and 4.00pm over the course of a week. The results obtained are: (i) 9.00pm (M=21, T=14, W=33, Th=19, F=5, S=1, Su=1) (ii) 4.00pm (M=38, T=19, W=41, Th=47, F=2, S=0, Su=3). What is the standard error at 4.00pm? (Give your answer to two decimal places) |
17. | Two sets of geographers record the numbers of vehicles passing a key urban locality in 60 seconds at 9.00am and 4.00pm over the course of a week. The results obtained are: (i) 9.00pm (M=21, T=14, W=33, Th=19, F=5, S=1, Su=1) (ii) 4.00pm (M=38, T=19, W=41, Th=47, F=2, S=0, Su=3). Complete a Spearman's rank calculation to test the relationship between the traffic count at 9.00am and 4.00pm. You should complete a table in rough to help you. What is the result obtained? (Give your answer to two decimal places). |
18. | What sort of relationship does your answer obtained in question 18 represent? |
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19. | In a second study, students counted the number of empty car parking spaces in four car parks around the city. The results obtained were: 35, 21, 95, 4. Complete a chi squared test to establish the probability that this result occurred by chance. What is the chi squared result given? (Give your answer to 2 decimal places). |
20. | In a final study, the geographers counted the number of car parks in eleven towns and cities. The results obtained were: 12, 4, 8, 9, 7, 17, 19, 20, 24, 31, 17. Calculate the value of the upper quartile. |
21. | In a final study, the geographers counted the number of car parks in eleven towns and cities. The results obtained were: 12, 4, 8, 9, 7, 17, 19, 20, 24, 31, 17. Calculate the value of the lower quartile. |
22. | In a final study, the geographers counted the number of car parks in eleven towns and cities. The results obtained were: 12, 4, 8, 9, 7, 17, 19, 20, 24, 31, 17. Calculate the inter quartile range. |
23. | In a final study, the geographers counted the number of car parks in eleven towns and cities. The results obtained were: 12, 4, 8, 9, 7, 17, 19, 20, 24, 31, 17. Calculate the inter quartile deviation. |