In Testing the Hypotheses

question 38

Short Answer

In testing the hypotheses:
H0: μ = 25
HA: μ  25
a random sample of 36 observations was drawn from a normal population. The sample standard deviation is 10 and the sample mean is 22.8.
Can we conclude at the 5% significance level that the population mean is not significantly different to 25?

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Definitions:

Randomly Assigned

A process in experimental design where participants are allocated to different groups without any biases or predetermined patterns.

Knowledgeable

Possessing or showing a great deal of information, awareness, or understanding about specific subjects or topics.

Actor-Observer Effect

A cognitive bias in which people tend to attribute their own actions to situational factors, while attributing others' actions to their character or disposition.

Traffic

The movement of vehicles, ships, persons, or animals through an area, or the volume of this movement in a specified pathway or domain, such as internet traffic.