Test Hypotheses About a Population Mean with Unknown
-

question 20

Short Answer

Test Hypotheses about a Population Mean with Unknown
- $$\text { Use a t-test to test the claim } \mu \leq 2.8 \text { at } \alpha = 0.05 \text {, given the sample statistics } \mathrm { n } = 15 , \overline { \mathrm { x } } = 3.1 \text {, and } \mathrm { s } = 0.8 \text {. }$$

---

Definitions:

Concept

An abstract idea or general notion that represents something in the mind, forming the basis of thought, belief, or knowledge.

Classifications

The systematic arrangement in groups or categories according to established criteria.

Referent

The specific entity or thing in the real world that a word or phrase identifies or points to.

Dog

A domesticated carnivorous mammal (Canis familiaris) known for its loyalty and companionship as a pet.