Name the Inference Procedure

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Mathematics
•
10th Grade - University
•
Hard
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1.
FLASHCARD QUESTION
Front
What is a confidence interval?
Back
A confidence interval is a range of values, derived from a data set, that is likely to contain the value of an unknown population parameter. It is used to estimate the uncertainty around a sample statistic.
2.
FLASHCARD QUESTION
Front
What is the purpose of a Chi-square Goodness of Fit Test?
Back
The Chi-square Goodness of Fit Test is used to determine if a sample distribution matches an expected distribution. It assesses whether the observed frequencies of a categorical variable differ from the expected frequencies.
3.
FLASHCARD QUESTION
Front
What is a two-sample t-test?
Back
A two-sample t-test is a statistical method used to determine if there is a significant difference between the means of two independent groups.
4.
FLASHCARD QUESTION
Front
What is the difference between a one-sample t-test and a two-sample t-test?
Back
A one-sample t-test compares the mean of a single sample to a known value, while a two-sample t-test compares the means of two independent samples.
5.
FLASHCARD QUESTION
Front
What does the term 'p-value' represent in hypothesis testing?
Back
The p-value is the probability of obtaining test results at least as extreme as the observed results, assuming that the null hypothesis is true. A low p-value indicates strong evidence against the null hypothesis.
6.
FLASHCARD QUESTION
Front
What is the significance of a 99% confidence interval?
Back
A 99% confidence interval means that if we were to take 100 different samples and compute a confidence interval for each sample, approximately 99 of the intervals would contain the true population mean.
7.
FLASHCARD QUESTION
Front
What is a paired t-test used for?
Back
A paired t-test is used to compare the means of two related groups. It is often used when the same subjects are measured twice, such as before and after a treatment.
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