
STAT & PROB SUMMATIVE TEST
Authored by Rieza Bargayo
Mathematics
11th Grade
Used 2+ times

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40 questions
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1.
MULTIPLE CHOICE QUESTION
1 min β’ 1 pt
What is the method of testing a claim or hypothesis about a parameter in a population given a data sample?
Regression analysis
Hypothesis testing
Cluster analysis
Factorial design
2.
MULTIPLE CHOICE QUESTION
1 min β’ 1 pt
When is a z-test appropriate to use in hypothesis testing?
When the sample standard deviation is known
When the population standard deviation is known
When the sample size is less than 30
When the population is not normally distributed
3.
MULTIPLE CHOICE QUESTION
1 min β’ 1 pt
What is the appropriate test statistic to use when the population standard deviation is unknown and the sample size is less than 30?
T-test
Z-test
ANOVA test
Chi-square test
4.
MULTIPLE CHOICE QUESTION
1 min β’ 1 pt
What is the purpose of the Central Limit Theorem in hypothesis testing?
To ensure the test statistic has a standard normal distribution
To calculate the p-value
To determine the sample size
To estimate the population mean
5.
MULTIPLE CHOICE QUESTION
1 min β’ 1 pt
In a z-test, what is calculated with population parameters such as population mean and population standard deviation?
Confidence interval
Z-score
P-value
T-statistic
6.
MULTIPLE CHOICE QUESTION
1 min β’ 1 pt
When is a t-test used in hypothesis testing?
When the population variance or standard deviation are not known
When the sample size is large
When the population variance is known
When the population standard deviation is known
7.
MULTIPLE CHOICE QUESTION
1 min β’ 1 pt
What does a test statistic compare in hypothesis testing?
Sample data with the sample mean
Sample data with the null hypothesis
Sample data with the alternative hypothesis
Sample data with the population mean
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