Suppose a Class Obtained the Following Scores on a Test }">$\text { cellpadding }=" 0 \text { " cellspacing }=" 0 " \text { width }=" 34 \% \text { " border="0"> }$

question 334

Short Answer

Suppose a class obtained the following scores on a test.
}">$\text { cellpadding }=" 0 \text { " cellspacing }=" 0 " \text { width }=" 34 \% \text { " border="0"> }$

$\begin{array}{rl}\text { Score } & \text { Frequency } \\90 & 5 \\80 & 6 \\70 & 10 \\60 & 2 \\50 & 4 \\40 & 3\end{array}$
Round your answer to two decimal places. What is the mean?

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Definitions:

Null Hypothesis

In statistical testing, it's the presumption that there is no effect or difference among groups or variables being studied.

Probability

A numerical value ranging from 0 to 1, representing the chance of an event's occurrence.

Statistic

A quantity calculated from a set of data, used to summarize or describe characteristics of the data.

High Probability

A term indicating that an event is very likely to occur, often used in statistical analysis to describe outcomes with a large likelihood based on a probability measure.