A Random Sample of Size N = 7 from a Normal

question 247

Short Answer

A random sample of size n = 7 from a normal population produced these measurements:
2.1, 4.3, 2.4, 2.7, 4.0, 3.5, 3.6.
Calculate the sample variance, .
______________
Construct a 95% confidence interval (CI) for the population variance, .
CI = ______________ Enter (n1, n2)
Test using = 0.05. State your conclusions.
Test Statistic = ______________
Critical Value(s) = ______________
Conclusion: ______________
There is ______________ to indicate that is different from 0.8.
What is the approximate p-value for the test in part (c)?
______________

---

Definitions:

Depression

A common and serious mood disorder marked by persistent feelings of sadness, loss of interest, and a lack of energy.

Behavior Therapy

A therapeutic approach that focuses on changing unhealthy behaviors through conditioning techniques and environmental changes.

Cognitive

Relating to mental processes such as perception, memory, judgment, and reasoning, as opposed to emotional or physical processes.

Claustrophobia

An anxiety disorder characterized by an irrational fear of enclosed or confined spaces, leading to feelings of panic or distress.