The Next Questions Are Based on the Following Information

question 56

Multiple Choice

The Next Questions Are Based On The Following Information:
A professor claims that the average score on a recent exam was 83.Suppose you want to test whether the professor's statement is correct.Assume that the test scores are normally distributed.You ask some people in class how they did,and record the following scores: 82,77,85,76,81,91,70,and 82.
-What are the null and alternative hypotheses?

• A)H₀ : μ = 83 and H₁ : μ > 83
• B)H₀ : μ = 83 and H₁ : μ < 83
• C)H₀ : μ = 83 and H₁ : μ ≠ 83
• D)H₀ : μ > 83 and H₁ : μ ≤ 83

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Definitions:

Refresh Data

The process of updating the data displayed in an application to ensure it reflects the most recent information available.

Switch Row/Column

A function in data visualization tools and spreadsheets that allows the user to interchange the axes of a chart or table.

Line Chart

A type of chart that represents data as a series of points connected by straight line segments, commonly used to display trends over time.

Grid Line

Thin lines that form a grid, often used in graphs, tables, or design and drawing programs to guide alignment and spatial distribution.