The mean entry-level salary for an employee at a company is $40,000. You believe it is lower for entry-level IT professionals in the company. 1. Identify the null hypothesis. 2. Identify the alternative hypothesis. 3. Identify the type I error. A. You decide that the mean entry-level salary for IT professionals is $40,000, when, in actuality, the mean entry-level salary for IT professionals is $40,000. B. You decide that the mean entry-level salary for IT professionals is $40,000, when, in actuality, the mean entry-level salary for IT professionals is lower than $40,000. C. You decide that the mean entry-level salary for IT professionals is lower than $40,000, when, in actuality, the mean entry-level salary for IT professionals is $40,000. D. You decide that the mean entry-level salary for IT professionals is lower than $40,000, when, in actuality, the mean entry-level salary for IT professionals is lower than $40,000. 4. Identify the type II error. A. You decide that the mean entry-level salary for IT professionals is $40,000, when, in actuality, the mean entry-level salary for IT professionals is $40,000. B. You decide that the mean entry-level salary for IT professionals is $40,000, when, in actuality, the mean entry-level salary for IT professionals is lower than $40,000. C. You decide that the mean entry-level salary for IT professionals is lower than $40,000, when, in actuality, the mean entry-level salary for IT professionals is $40,000. D. You decide that the mean entry-level salary for IT professionals is lower than $40,000, when, in actuality, the mean entry-level salary for IT professionals is lower than $40,000.
The
1. Identify the null hypothesis.
2. Identify the alternative hypothesis.
3. Identify the type I error.
A. You decide that the mean entry-level salary for IT professionals is $40,000, when, in actuality, the mean entry-level salary for IT professionals is $40,000.
B. You decide that the mean entry-level salary for IT professionals is $40,000, when, in actuality, the mean entry-level salary for IT professionals is lower than $40,000.
C. You decide that the mean entry-level salary for IT professionals is lower than $40,000, when, in actuality, the mean entry-level salary for IT professionals is $40,000.
D. You decide that the mean entry-level salary for IT professionals is lower than $40,000, when, in actuality, the mean entry-level salary for IT professionals is lower than $40,000.
4. Identify the type II error.
A. You decide that the mean entry-level salary for IT professionals is $40,000, when, in actuality, the mean entry-level salary for IT professionals is $40,000.
B. You decide that the mean entry-level salary for IT professionals is $40,000, when, in actuality, the mean entry-level salary for IT professionals is lower than $40,000.
C. You decide that the mean entry-level salary for IT professionals is lower than $40,000, when, in actuality, the mean entry-level salary for IT professionals is $40,000.
D. You decide that the mean entry-level salary for IT professionals is lower than $40,000, when, in actuality, the mean entry-level salary for IT professionals is lower than $40,000.
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