Scores on an IQ Test Are Normally Distributed $\sigma = 17$

question 110

Multiple Choice

Scores on an IQ test are normally distributed. A sample of 17 IQ scores had standard deviation s = 23. The developer of the test claims that the population standard deviation is $\sigma = 17$ . Do these Data provide sufficient evidence to contradict this claim? Use the $\alpha = 0.01$ level of significance.

• A) Do not reject \(H _ { 0 }\) There is insufficient evidence to conclude that the population standard deviation Differs from 17.
• B) Reject \(H _ { 0 }\) . The population standard deviation appears to differ from 17.

---

Definitions:

Leadership Style

The manner and approach of providing direction, implementing plans, and motivating people within organizational settings.

Organizational Norms

Shared expectations and standards that guide behavior and interactions within an organization.

Adherence

The act of following or being in compliance with rules, guidelines, or instructions.

Authentic Leaders

Leaders who are self-aware, transparent, and ethical, who prioritize long-term values over short-term gains, and inspire trust and loyalty in followers.