# Los Angeles Trade Technical College Qualitative & Quantitative Data Problems

Description

The problems are attached below ! – Complete the following problems on a separate sheet of paper using your own handwriting (no typing or digital graphics). Make sure that you show ALL of the steps required to solve each problem

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Chapter 3 Assessment Part 1
Complete the following problems on a ​separate sheet of paper using your own handwriting​ (no typing or
digital graphics). Make sure that you show ALL of the steps required to solve each problem. You ARE
allowed to use notes, formula sheets, the book, internet resources, and a calculator. You ARE NOT
allowed to use other human beings to help. ​When you are finished then upload ONE file with all of your
images of your work to different pages in a google doc. Make sure that your pictures are clear, legible,
and that there is not a bunch of extra space around the edges of your paper in the picture.
1. Qualitative Data
a. Create a question you can ask 20 people that has an answer that would be considered a
qualitative variable. Write your question down.
b. Ask 20 people the question you came up with in part a and record their responses. If you
responses (you can still get full credit). You can label the ones you made up either by
highlighting or making a separate column, see the example below.
EXAMPLE
12
red
15
7
happy
green
8
Ashley
22
blah
*The highlighted values are ones that I made up
OR
Values
22.4
No
16.2
No
7
No
blue
Yes
red
Yes
green
No
bird
No
cat
Yes
seal
No
c. Represent the data using a Pareto Chart and a Pie Chart. Include the calculations to find
the angle measures and the percentages for the Pie Chart.
2. Quantitative Data
a. Ask 19 students and yourself, “At what age would you first consider someone to be old?”.
Write the responses below. If you cannot ask 19 students, make up reasonable answers and
CLEARLY label you made up the responses (you can still get full credit). Label them the
same way you did in question 1.
b. Represent the data using a frequency Table, use a minimum of 5 classes.
Frequency Table
Classes
LCL
UCL
Class Boundaries
Class
Midpoints
f
c. Use your frequency table to construct a histogram and a frequency polygon for the age
data. Make sure you show or explain how you determined the class width and what value
you started the first class with.
d. Calculate the mean, median, mode, range, and standard deviation of your data. Show your
work and all of the steps for each of these. You can organize it into a table just like we did
in the notes and independent work.
3. Quantitative Data Part 2
a. Create a question you can ask 20 people that has an answer that would be considered a
quantitative variable. Write your question down.
b. Represent the data using a stem and leaf plot.

attachment

Tags:
frequency table

Class Boundaries

Construct a histogram

Qualitative Quantitative Data

highlighted values

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