SOLUTION: Q... random sample of 20 items is selected from a population. To determine the appropriate critical t-value what number of degrees of freedom should be used?....A. 20
B. 19
C. 21
Algebra.Com
Question 1158093: Q... random sample of 20 items is selected from a population. To determine the appropriate critical t-value what number of degrees of freedom should be used?....A. 20
B. 19
C. 21
D. 25
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
degrees of freedom are n-1
19
B.
RELATED QUESTIONS
a sample of 20 is selected from the population. What is the number of degrees of freedom (answered by stanbon)
A sample of 26 is selected from the population. What is the number of degrees of freedom (answered by stanbon)
In order to determine an interval for the mean of a population with unknown standard... (answered by stanbon)
The null and alternate hypotheses are:
H0: μ1 ≤ μ2
H1: μ1 >... (answered by johnsonjen)
A population has a standard deviation of 50. A random sample of 100 items from this... (answered by stanbon)
1. To estimate with 95% confidence the average number of kilometres that students living... (answered by math_tutor2020)
To estimate with 95% confidence the average number of kilometres that students living... (answered by Boreal,math_tutor2020)
1. To estimate with 95% confidence the average number of kilometres that students living... (answered by Boreal)
Samples of size n = 240 are randomly selected from the population of numbers (0 through... (answered by MathLover1,jim_thompson5910)