Which of the Following Is the Statistical Formula for the Mean

question 5

Multiple Choice

Which of the following is the statistical formula for the mean?

• A)y_i -ӯ
• B)∑(y_i - ӯ)²
• C)∑y_i / n
• D)∑(y_i - ӯ)² / n-l

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Definitions:

Null Hypothesis

A hypothesis that assumes no significant difference or effect between the variables being studied, serving as a default position.

Alternative Hypothesis

A theory that contradicts the null hypothesis and proposes that there is a statistically significant effect or difference.

Hybrid Cars

Vehicles that use a combination of an internal combustion engine and one or more electric motors for propulsion.

≠ Symbol

A mathematical symbol that denotes inequality, indicating that two values are not equal.