Use the Traditional Method to Test the Given Hypothesis

question 22

Essay

Use the traditional method to test the given hypothesis. Assume that the population is normally distributed and that the sample has been randomly selected.
-The standard deviation of math test scores at one high school is 16.1. A teacher claims that the standard deviation of the girls' test scores is smaller than 16.1. A random sample of 22 girls results in scores with a standard deviation of 14.3. Use a significance level of 0.01 to test the teacher's claim.

---

Definitions:

Positive Emotion

Feelings that are generally pleasant and uplifting, such as happiness, joy, or gratitude.

Self-satisfaction

refers to the feeling of pleasure and contentment with one's achievements, capabilities, or situation.

Actively Take Steps

The process of making conscious decisions to move forward with actions that contribute to achieving a particular goal or outcome.

Generating Ideas

The process of coming up with new, innovative concepts, solutions, or approaches, often as part of a creative or problem-solving exercise.