Construct the Relative Frequency Distribution That Corresponds to the Given

question 79

Multiple Choice

Construct the relative frequency distribution that corresponds to the given frequency distribution.
- $\begin{array}{r|r}\text { Speed } & \begin{array}{r}\text { Number } \\\text { of balls }\end{array} \\\hline 0-29 & 4 \\30-59 & 16 \\60-89 & 60 \\90-120 & 20\end{array}$

• A)
• \(\begin{array}{c|c}
• \text { Speed } & \begin{array}{c}
• \text { Cumulative } \\
• \text { Frequency }
• \end{array} \\
• \hline 0-29 & .04 \\
• 30-59 & .20 \\
• 60-89 & .80 \\
• 90-120 & 100
• \end{array}\)
• B)
• \(\begin{array}{r|c}
• \text { Speed } & \begin{array}{c}
• \text { Cumulative } \\
• \text { Frequency }
• \end{array} \\
• \hline 0-29 & 100 \\
• 30-59 & 80 \\
• 60-89 & 82 \\
• 90-120 & 4
• \end{array}\)
• C)
• \(\begin{array}{r|r}
• & \text { Cumulative } \\
• \text { Speed } & \text { Frequency } \\
• \hline 0-29 & 4 \\
• 30-59 & 20 \\
• 60-89 & 80 \\
• 90-120 & 100
• \end{array}\)
• D)\(\text { None of the above }\)

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Definitions:

Interval Estimate

An estimate of a population parameter that specifies a range of possible values within which the parameter is expected to lie, with a certain level of confidence.

Unknown Parameter

A value within a statistical model that is not observed directly but is estimated from the data.

P-Value

The possibility of observing test findings that are as extreme or more so than the actual findings, under the condition that the null hypothesis is valid.

Average Student

A middle or typical student, usually considered in terms of academic achievement, not necessarily referring to the mean score or mean performance.