You have conducted a study in which you collect data from 20 participants. You asked each participant to indicate his/her sex (SEX [1=male 2=female]) and age (AGE). You gave each partici a test to measure mathematics skills (MATHEMATICAL SKILL), where the higher sco indicate a higher skill level. The data for 10 male participants are presented below. Mathematical Case ID Sex x2 skills x #1 1 32 1,024 #2 1 40 1,600 #3 1 38 1,444 # 4 1 20 400 %23
You have conducted a study in which you collect data from 20 participants. You asked each participant to indicate his/her sex (SEX [1=male 2=female]) and age (AGE). You gave each partici a test to measure mathematics skills (MATHEMATICAL SKILL), where the higher sco indicate a higher skill level. The data for 10 male participants are presented below. Mathematical Case ID Sex x2 skills x #1 1 32 1,024 #2 1 40 1,600 #3 1 38 1,444 # 4 1 20 400 %23
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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![You have conducted a study in which you collected
data from 20 participants. You asked each
participant to indicate his/her sex (SEX [1=male,
2=female]) and age (AGE). You gave each participant
a test to measure mathematics skills
(MATHEMATICAL SKILL), where the higher scores
indicate a higher skill level. The data for 10 male
participants are presented below.
<Data male 4>
Mathematical
x2
skills x
Case ID Sex
#1
1
32
1,024
#2
1
40
1,600
#3
1
38
1,444
# 4
1
20
400
#5
1
33
1,089
#6
1
40
1,600
#7
1
38
1,444
#8
1
47
2,209
#9
1
29
841
#10
1
24
576
Sum x2
Subtotal
Sum x=341
12,227
What is the mean of MATHEMATICAL SKILLS
Scores for males?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb16d438a-6747-410f-961a-8af2d5e6e1f5%2Fc8d5106c-97c7-4db3-808f-1c90dfb54e99%2Fpnnbea6_processed.jpeg&w=3840&q=75)
Transcribed Image Text:You have conducted a study in which you collected
data from 20 participants. You asked each
participant to indicate his/her sex (SEX [1=male,
2=female]) and age (AGE). You gave each participant
a test to measure mathematics skills
(MATHEMATICAL SKILL), where the higher scores
indicate a higher skill level. The data for 10 male
participants are presented below.
<Data male 4>
Mathematical
x2
skills x
Case ID Sex
#1
1
32
1,024
#2
1
40
1,600
#3
1
38
1,444
# 4
1
20
400
#5
1
33
1,089
#6
1
40
1,600
#7
1
38
1,444
#8
1
47
2,209
#9
1
29
841
#10
1
24
576
Sum x2
Subtotal
Sum x=341
12,227
What is the mean of MATHEMATICAL SKILLS
Scores for males?
Transcribed Image Text:What is the standard deviation of
MATHEMATICAL SKILLS scores for males?
(Round to the hundredth place). Show your
calculation.
Interpret the standard deviation you
calculated for males in question number 2.
(what does the standard deviation value
mean in the given situation?). Hint: consider
what the standard deviation measure for.
What is the 99.7% range of MATHEMATICAL
SKILLS scores for males?
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