Portage Learning Statistics CNSL 503, The t-Test (Module 5: The t-Test) Comprehensive Study Guide – Expert Strategies, Review of Key Quizzes, and Practice Questions for Guaranteed Success Terms in this set (34) Quiz____? When population standard devia

Portage Learning Statistics CNSL
503, The t-Test (Module 5: The t-
Test) Comprehensive Study Guide
– Expert Strategies, Review of Key
Quizzes, and Practice Questions
for Guaranteed Success
Terms in this set (34)

Quiz____?

When population standard deviation is known, the z-score is used, when

population standard deviation is unknown, the __ is used -

Answer✓✓

t-score




Quiz____?

True/False

Since t-scores are centered normally around the mean and form a bell-

shaped curve, probabilities can be calculated to draw inferences about

populations. -

Answer✓✓

True




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, Quiz____?

___ determine how well the t-distribution approximates the normal

distribution of the z-scores. To calculate for any sample size, n-1 -

Answer✓✓

Degrees of freedom (df)




Quiz____?

A t distribution approximately resembles a normal distribution when n=___ -

Answer✓✓

n=12




Quiz____?

T-testing for a one sample test is used when __ -

Answer✓✓

the population mean is known




Quiz____?

In a one sample test, state the possible Ho and Ha hypotheses -

Answer✓✓


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