Science Quiz Scores Consider the Hypotheses H₀: σ² = 20 Vs.H₁: σ²

question 22

Essay

Science Quiz Scores
Consider the hypotheses H₀: σ² = 20 vs.H₁: σ² > 20.Assume that Science scores on a 25-point quiz for a random sample of 5 students were drawn from a normal population.These were: 18,16,10,13,and 23. ​ ​
-{Science Quiz Scores Narrative} Test the hypotheses at the 10% significance level.

---

Definitions:

Inflation

The rate at which the general level of prices for goods and services is rising, and subsequently, purchasing power is falling. Central banks attempt to limit inflation, and avoid deflation, in order to keep the economy running smoothly.

Multiple Counting

The erroneous practice of counting the same item more than once when calculating economic data, such as in measuring GDP.

Intermediate Goods

Goods used in the production process to create a final product, such as raw materials, components, or subassemblies, which are not counted in a country’s GDP to avoid double counting.

Final Goods

Products that are ready for consumption by individuals or businesses, without further transformation or being used in producing other goods.