St Petersburg College Florida
Statistics (Stat 2023) Exam Quiz
Module 5
Course Title and Number: Statistics (Stat 2023) Quiz module 5
Exam Title: [Insert Exam Title]
Exam Date: [Insert Exam Date]
Instructor: [Insert Instructor’s Name]
Student Name: [Insert Student’s Name]
Student ID: [Insert Student ID]
Examination
180 minutes
Instructions:
1. Read each question carefully.
2. Answer all questions.
3. Use the provided answer sheet to mark your responses.
4. Ensure all answers are final before submitting the exam.
Good Luck!
, Statistics (Stat 2023) Exam Quiz
Module 5
one tailed test - Answer>> 1-2a
two tailed test - Answer>> 1-a
significance level if type 1 is worse - Answer>> 1%
significance level if type 2 is worse - Answer>> 10%
significance level if both are the same - Answer>> 5%
if p value is less than significance level - Answer>> reject
the null hypothesis
If p-value is greater than the significance level - Answer>>
we fail to reject the null hypothesis
if you reject the null - Answer>> there is sufficient evidence
if you fail to reject null hypothesis - Answer>> there is not
sufficient evidence
type 1 error - Answer>> rejecting a true null hypothesis
type 2 error - Answer>> failing to reject a false null
hypothesis
one proportion z-test - Answer>> - random sample
- more than 15 successes and failures
Two-proportion z-test - Answer>> - categorical
-independent random sample
- more than 10 successes and failures
Statistics (Stat 2023) Exam Quiz
Module 5
Course Title and Number: Statistics (Stat 2023) Quiz module 5
Exam Title: [Insert Exam Title]
Exam Date: [Insert Exam Date]
Instructor: [Insert Instructor’s Name]
Student Name: [Insert Student’s Name]
Student ID: [Insert Student ID]
Examination
180 minutes
Instructions:
1. Read each question carefully.
2. Answer all questions.
3. Use the provided answer sheet to mark your responses.
4. Ensure all answers are final before submitting the exam.
Good Luck!
, Statistics (Stat 2023) Exam Quiz
Module 5
one tailed test - Answer>> 1-2a
two tailed test - Answer>> 1-a
significance level if type 1 is worse - Answer>> 1%
significance level if type 2 is worse - Answer>> 10%
significance level if both are the same - Answer>> 5%
if p value is less than significance level - Answer>> reject
the null hypothesis
If p-value is greater than the significance level - Answer>>
we fail to reject the null hypothesis
if you reject the null - Answer>> there is sufficient evidence
if you fail to reject null hypothesis - Answer>> there is not
sufficient evidence
type 1 error - Answer>> rejecting a true null hypothesis
type 2 error - Answer>> failing to reject a false null
hypothesis
one proportion z-test - Answer>> - random sample
- more than 15 successes and failures
Two-proportion z-test - Answer>> - categorical
-independent random sample
- more than 10 successes and failures
