True/False
If σ is unknown and there is no preliminary sample available to estimate σ, the range divided by four can be utilized to determine an estimate of σ when finding sample size.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q64: When sample size is 20, find t<sub>.10</sub>.
Q65: A federal bank examiner is interested in
Q66: What sample size is needed to obtain
Q67: When the level of confidence and sample
Q68: The coffee and soup machine at the
Q70: An insurance company estimates 45 percent of
Q71: A sample of 2,000 people yielded <img
Q72: A company is interested in estimating μ,
Q73: The state highway department is studying traffic
Q74: A sample of 2,000 people yielded <img