Multiple Choice
A 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
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q38: Other things being equal, a smaller sample
Q38: The finite population correction factor is applied
Q46: A finite population correction factor is used
Q58: For a given confidence interval, what is
Q61: A survey of an urban university (population
Q64: A point estimate is a single value
Q64: A student wanted to construct a 95%
Q65: To compute a confidence interval, a _
Q66: A local health care company wants to
Q67: Recently, a university surveyed recent graduates of