Use Limit Grouping to Organize These Data into a Frequency

question 160

Essay

Use limit grouping to organize these data into a frequency distribution.
-Lori asked 24 students how many hours they had spent doing homework during the previous week. The results are shown below.
$\begin{array} { c c c c c c c c c c c c } 10 & 11 & 10 & 8 & 10 & 10 & 14 & 12 & 10 & 9 & 12 & 11 \\ 11 & 12 & 10 & 11 & 12 & 10 & 11 & 12 & 11 & 12 & 12 & 8 \end{array}$
Construct a frequency distribution. Use 4 classes, a class width of 2 hours, and a lower limit of 8 for the first class.
$\begin{array} { l | l } \text { Hours } & \text { Frequency } \\\hline &\end{array}$

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Definitions:

Null Hypothesis

A default hypothesis that there is no significant difference or effect, typically to be tested against an alternative hypothesis.

Null Hypothesis

A statistical hypothesis that assumes no significant difference or effect exists between certain characteristics of a population or data.

Equals Sign

A symbol (=) indicating mathematical equality between two expressions.

Research Hypothesis

Another term for alternative hypothesis, indicating the expected outcome or belief regarding a study's findings.