2. Is there a relationship at a = 0.01 between the size of a college/university and the number of property crimes committed? The following data is from a sample of 9 universities in California: Student enrollment (1000s) Annual burglary amounts 12.5 30 24.5 14.3 7.5 27.7 16.2 20.1 13.5 21 73 39 23 15 30 15 27 19

2. Is there a relationship at a = 0.01 between the size of a college/university and the number of property crimes committed? The following data is from a sample of 9 universities in California: Student enrollment (1000s) Annual burglary amounts 12.5 30 24.5 14.3 7.5 27.7 16.2 20.1 13.5 21 73 39 23 15 30 15 27 19

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter4: Equations Of Linear Functions

Section: Chapter Questions

Problem 8SGR

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Question

Write the claim and the null and the alternate hypotheses. 2. Identify α. 3. Draw a distribution to represent it and identify the critical value(s). 4. Write the inequality that identifies the rejection area(s). 5. Find the test statistic, p-value, and the correlation coefficient. 6. Make a decision about your test. 7. Write a sentence describing your decision about the claim in context with the problem.

2.
Is there a relationship at a = 0.01 between the size of a college/university and the
number of property crimes committed? The following data is from a sample of 9
universities in California:
Student enrollment
(1000s)
Annual burglary
amounts
12.5 30 24.5
21 73 39
14.3 7.5 27.7 16.2 20.1 13.5
23 15
30
5
27
19

Definition Definition Statistical measure used to assess the strength and direction of relationships between two variables. Correlation coefficients range between -1 and 1. A coefficient value of 0 indicates that there is no relationship between the variables, whereas a -1 or 1 indicates that there is a perfect negative or positive correlation.

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