The measure represents the standard deviation of the sample means and is used in place of the population standard deviation when the population parameters are unknown is; t-test.
<h3>Which measure is used when the population parameters are unknown?</h3>
A hypothesis test for a population mean when In the case that the population standard deviation, σ, is unknown, carrying out a hypothesis test for the population mean is done in similarly like the population standard deviation is known. A major distinctive property is that unlike the standard normal distribution, the t-test is invoked.
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Answer:
12
Step-by-step explanation:
R=d/2
D=2r
I believe the line shows in XZ because the line segment extends through and past points X and Z :)
Answer:
Step-by-step explanation:
1. Convert both mixed numbers into improper fractions:
2. Multiply both sides by 4:
4 · 
· 4
15x = 5
3. Isolate x:
x = 1/3
hope this helps!
