Use Cutpoint Grouping to Organize These Data into a Frequency

question 167

Essay

Use cutpoint grouping to organize these data into a frequency distribution.
-The following figures represent Jennifer's monthly charges for long distance telephone calls for the past twelve months. $\begin{array}{l} \begin{array} { l r r r } 8.46 & 12.35 & 13.98 & 17.41 \\ 10.45 & 16.10 & 9.97 & 14.48 \\ 14.10 & 13.70 & 15.67 & 10.20 \end{array}\\ \text { Construct a frequency distribution with } 4 \text { classes. }\\ \begin{array} { l | l } \text { Charges } & \text { Frequency } \\ \hline & \end{array} \end{array}$

---

Definitions:

F Statistic

A ratio used in ANOVA tests to determine if the means between two or more groups are significantly different.

Null Hypotheses

Postulates that assume no variance between specified variables in a study, used for statistical testing.

Research Hypotheses

Statements made by researchers that predict a relationship between two or more variables.

Total Sample Size

The aggregate number of observations or data points collected in a study.