1. According to the data in Model 1, how many females fall within the 146-155 cm tall? range 2. According to the data in Model 1, how many males are 181 cm or above in height? 3. Using the graph(s) in Model 1, determine the approximate average height of males and of females.
1. According to the data in Model 1, how many females fall within the 146-155 cm tall? range 2. According to the data in Model 1, how many males are 181 cm or above in height? 3. Using the graph(s) in Model 1, determine the approximate average height of males and of females.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Analyzing and Interpreting Scientific Data
How can analyzing and interpreting scientific data allow scientists to make informed decisions?
Why?
During scientific investigations, scientists gather data and present it in the form of charts, tables or
graphs. The data must be properly collected, analyzed, and interpreted to allow scientists to make
informed decisions regarding the validity of their study and any further work that may be necessary to
achieve their objectives. The ability to present and use data charts, tables, and graphs correctly is essen-
tial for good scientific practice and also prevents unnecessary or inappropriate work and misinterpreta-
tion of the data.
Model 1- Graphs and Charts of Classroom Measurement Data
Pie Chart
Bar Graph
Percentage of Males and
Females by Height
Comparing Male and Female Average Values
200
180
160
Males
140
>175 cm
120
Females
Male
100
<175 cm
Females
Female
80
>175 cm
Males
60
<175 cm
40
20
Height
Hand Length
Knuckles
Line Graph
Distribution of Height in Males and Females
9.
8
6.
- Male
Female
1
Height in centimeters
Number of Individuals
Length i
146-150
151-155
156-160
161-165
166-170
171-175
176-180
181-185
186-190
Transcribed Image Text:1. According to the data in Model 1, how many females fall within the range 146-155 cm tall?
2. According to the data in Model 1, how many males are 181 cm or above in height?
3. Using the graph(s) in Model 1, determine the approximate average height of males and of
females.
4. Refer to the data in Model 1.
a. How many males are taller than 175 cm and approximately what percentage of the total is
that?
b. Which graph(s)/chart(s) illustrate the answer to the previous question?
5. Which type of graph or chart in Model 1 shows a side by side comparison of data?
6. Which type of graph
or chart in Model 1 shows trends in data across an entire data set?
7. Describe two trends in male and female height using the line graph.
8. Use complete sentences to compare the presentation of height data in the three graphs. Discuss
any information that is located on more than one graph, and any unique information that is
available on each.
9. If you wanted to see if a correlation exists between the height of an individual and his/her hand
length, what would be the best type of graph/chart to make? Explain your reasoning.
10. What conclusions can you draw comparing the height, hand length, and knuckle width of males
and females? State your conclusions in complete sentences.
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