Samples Were Drawn from Three Populations $n _ { 1 } = 9 , n _ { 2 } = 6$

question 3

Multiple Choice

Samples were drawn from three populations. The sample sizes were $n _ { 1 } = 9 , n _ { 2 } = 6$ , and $n _ { 3 } = 6$ . The sample means were $\bar { x } _ { 1 } = 1.57 , \bar { x } _ { 2 } = 1.64$ , and $\bar { x } _ { 3 } = 1.36$ . The sample standard deviations were $s _ { 1 } = 0.42 , s _ { 2 } = 0.29$ , and $s _ { 3 } = 0.40$ . The grand mean is $\bar { x } = 1.53$ . Compute the sum of squares SSTr.

• A) 2.6317
• B) 0.2604
• C) 0.1302
• D) 0.8905

---

Definitions:

Novelist

A writer of novels, which are long written narratives that typically describe fictional characters and events.

Unrealistic Expectations

Expectations that are not reasonable or achievable, often leading to disappointment.

New Hires

Individuals who have recently been employed by an organization or company.

Uniform Conformity

The consistent and uniform adherence to a set of standards, rules, or norms across a group or organization.