Asked by Dustin McKee on May 29, 2024
Verified
A sample of 100 information systems managers had an average hourly income of $40.00 with a standard deviation of $8.00.If we want to determine a 95% confidence interval for the average hourly income of the population, the value of t is
A) 1.96.
B) 1.645.
C) 1.28.
D) 1.993.
Confidence interval
A palette of statistical results, extracted from samples, aiming to encompass the unspecified value of a population attribute.
Value of t
A statistic used in hypothesis testing that compares the means of two groups to determine if they are significantly different from each other.
Average hourly income
The mean wage per hour received by workers, reflecting compensation for employment.
- Differentiate between the use of standard normal and t-distributions for constructing confidence intervals.
Verified Answer
Learning Objectives
- Differentiate between the use of standard normal and t-distributions for constructing confidence intervals.
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