Portage Learning Math 110 – Elementary Statistics (Module 2) | Verified Questions & Correct Detailed Answers | Latest A+ Grade | 2024/2025 Edition

Portage Math 110 Elementary Statistics
(Module 2) questions and answers 2024\2025
A+ Grade

frequency distribution
- correct answer A tabular summary of data showing the number (frequency) of observations in each of
several distinctive (nonoverlapping) categories or classes.



relative frequency
- correct answer A ratio that compares the frequency of each category to the total.

frequency of the class / n where n = total count of all classes



relative percentage
- correct answer percentage of time the value occurs in the sample or population

relative frequency x 100



charting
- correct answer a means to represent frequencies visually



column chart
- correct answer Data graphed as a series of vertical bars

x-axis: class

y-axis: frequency of class



bar chart
- correct answer Data graphed as a series of horizontal bars

x-axis: frequency of class

, y-axis: class



pie chart
- correct answer a chart that shows the relationship of a part to a whole

best suited for the distributions focused on the proportions



3 step method to group numerical data into classes
- correct answer 1. determine the number of classes to be evaluated

2. determine the width of each class

3. determine the limits of each class



Number of classes
- correct answer (usu b/w 5 and 20)

less than 25 > 5 to 6

25 to 50 > 7 to 14

More than 50 > 15-20



Width of class
- correct answer approx width =

(largest data value - smallest data value) / # of classes



qualitative data
- correct answer frequency distributions

relative frequency distributions

percent frequency distributions

Graphical: bar, column, pie charts



quantitative data
- correct answer frequency distributions

relative frequency distributions

percent frequency distributions