In Performing a Hypothesis Test Where the Null Hypothesis Is $\textbf{ not }$

question 29

Multiple Choice

In performing a hypothesis test where the null hypothesis is that the population mean is 6.9 against the alternative hypothesis that the population mean is $\textbf{ not }$ equal to 6.9, a random sample of 16 items is selected. The sample mean is 7.1 and the sample standard deviation is 2.4. It can be assumed that the population is normally distributed. The level of significance is selected as 0.05. The critical t value for this problem is ___.

• A) 1.753
• B) 2.947
• C) 2.120
• D) 2.131
• E) 2.311

---

Definitions:

Technological Changes

Refers to the advancements and innovations in technology that impact how activities are performed in various domains.

Delphi Meeting

A structured communication technique, often used in forecasting or decision making, involving a panel of experts who answer questionnaires in multiple rounds.

Composite Forecast

An estimation method that combines several individual forecasts to produce a more accurate overall forecast.

HR Information Systems

Technological systems used to collect, store, manage, and analyze information related to human resource management.