A survey found that in a sample of 100 families, 37 owned cats. A survey done 5 years ago found that in a sample of 80 families, 34 owned cats. At ? = 0.05 has the proportion of cat owners changed over the 5-year period?
A survey found that in a sample of 100 families, 37 owned cats. A survey done 5 years ago found that in a sample of 80 families, 34 owned cats. At ? = 0.05 has the proportion of cat owners changed over the 5-year period?
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter1: Functions
Section1.2: The Least Square Line
Problem 5E
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Question
A survey found that in a sample of 100 families, 37 owned cats. A survey done 5 years ago found that in a sample of 80 families, 34 owned cats. At ? = 0.05 has the proportion of cat owners changed over the 5-year period?
![4. A survey found that in a sample of 100 families, 37 owned cats. A survey done 5
years ago found that in a sample of 80 families, 34 owned cats. At a = 0.05 has the
proportion of cat owners changed over the 5-year period?
Solution:
Step 1: State the hypothesis
Ho:
H:
Step 2: The level of significance and critical region,
a = _, df =
Step 3: Compute for the value of t test.
D = _ SD =
Step 4: Decision rule.
Step 5: Conclusion.
and teritical =
and tcomputed =](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc07bfb52-c843-455a-9e81-9b155b003934%2Fde803bd7-7aea-4969-b7df-92a43aad9fb3%2Ftxng9c8_processed.png&w=3840&q=75)
Transcribed Image Text:4. A survey found that in a sample of 100 families, 37 owned cats. A survey done 5
years ago found that in a sample of 80 families, 34 owned cats. At a = 0.05 has the
proportion of cat owners changed over the 5-year period?
Solution:
Step 1: State the hypothesis
Ho:
H:
Step 2: The level of significance and critical region,
a = _, df =
Step 3: Compute for the value of t test.
D = _ SD =
Step 4: Decision rule.
Step 5: Conclusion.
and teritical =
and tcomputed =
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