CNSL503 / CNSL 503 Module 5: (Latest Update 2025 / 2026) Statistics | Questions and Answers | Grade A | 100% Correct - Portage Learning

CNSL503 / CNSL 503 Module 5:
(Latest Update )
Statistics | Questions and Answers |
Grade A | 100% Correct - Portage
Learning


Question:
The ___________ determine how well the t-distribution approximates the
normal distribution of the z-scores. Recall that the ______________ for any
sample size η is η−1.
Answer:
degrees of freedom




Question:
With the z-score formula, only the_____________ changes from sample to
sample.
Answer:
numerator

, Question:
For the t-score formula,___________________ change from sample to sample.
Answer:
both numerator and denominator




Question:
As the sample size increases, the standard deviation
Answer:
decreases.




Question:
Ha: μ>40
Answer:
(Right-tailed test)




Question:
Ha : μ<40
Answer:
(Left-tailed test)