Suburb After Before Diff Burr Oak 4 4 0 Elgin Corners 1 2 -1 Elm Grove 8 3 5 Greenburg 0 6 -6 Huntley 7 2 5 North Lyman 7 1 6 South Lyman 4 7 -3 Pin Oak 0 12 -12 Victorville 7 5 2 (b) Find the test statistic tcalc. (A negative amount should be indicated by a minus sign. Round your answer to 2 decimal place.) (c) State the critical value tcrit for α = .05. (A negative amount should be indicated by a minus sign. Round your answer to 3 decimal place.) (d) Find the p-value. (Round your answer to 4 decimal place.) (e) State your conclusion.
Suburb After Before Diff Burr Oak 4 4 0 Elgin Corners 1 2 -1 Elm Grove 8 3 5 Greenburg 0 6 -6 Huntley 7 2 5 North Lyman 7 1 6 South Lyman 4 7 -3 Pin Oak 0 12 -12 Victorville 7 5 2 (b) Find the test statistic tcalc. (A negative amount should be indicated by a minus sign. Round your answer to 2 decimal place.) (c) State the critical value tcrit for α = .05. (A negative amount should be indicated by a minus sign. Round your answer to 3 decimal place.) (d) Find the p-value. (Round your answer to 4 decimal place.) (e) State your conclusion.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 1CGP
Related questions
Question
Concerned about graffiti, mayors of nine suburban communities instituted a citizen Community Watch program.
Community | Monthly Incidents After | Monthly Incidents Before |
---|---|---|
Burr Oak | 4 | 4 |
Elgin Corners | 1 | 2 |
Elm Grove | 8 | 3 |
Greenburg | 0 | 6 |
Huntley | 7 | 2 |
North Lyman | 7 | 1 |
South Lyman | 4 | 7 |
Pin Oak | 0 | 12 |
Victorville | 7 | 5 |
Number of Graffiti Incidents Before and After Citizen Watch Program (n = 9) | |||||||||||
|
|||||||||||
Suburb | After | Before | Diff | ||||||||
Burr Oak | 4 | 4 | 0 | ||||||||
Elgin Corners | 1 | 2 | -1 | ||||||||
Elm Grove | 8 | 3 | 5 | ||||||||
Greenburg | 0 | 6 | -6 | ||||||||
Huntley | 7 | 2 | 5 | ||||||||
North Lyman | 7 | 1 | 6 | ||||||||
South Lyman | 4 | 7 | -3 | ||||||||
Pin Oak | 0 | 12 | -12 | ||||||||
Victorville | 7 | 5 | 2 | ||||||||
(b) Find the test statistic tcalc. (A negative amount should be indicated by a minus sign. Round your answer to 2 decimal place.)
(c) State the critical value tcrit for α = .05. (A negative amount should be indicated by a minus sign. Round your answer to 3 decimal place.)
(d) Find the p-value. (Round your answer to 4 decimal place.)
(e) State your conclusion.
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