A lecturer at college wanted to know if he can predict student’s quiz results by asking them to complete a simple survey. The result of the survey is given below: Quiz Results EQR Study Hrs Age Sex BBT MB MC AuHS LM 15 10 3 19 0 0 1 1 0 1 14 15 4 24 0 0 1 0 0 1 9 15 1 20 0 10 1 0 0 1 6 10 3 21 0 0 1 1 0 1 14 15 4 21 0 9 1 0 0 1 12 10 6 21 0 2 0 1 0 1 12 13 2 21 1 8 1 0 0 0 15 15 0 20 0 8 1 0 0 1 12 15 3 20 0 10 1 0 0 1 13 15 0.2 19 0 8 1 0 0 1 15 15 2 20 0 6 1 0 1 1 12 14 5 20 0 5 1 1 1 1 14 15 7 22 0 8 0 0 0 0 7 7 10 21 1 7 0 0 1 0 11 15 5 24 0 0 1 0 0 1 10 10 3 22 1 0 1 0 0 1 13 11 3 23 1 1 1 1 1 1 13 15 2 22 1 8 0 0 0 0 13 12 4 20 1 7 1 0 1 0 13 10 3 20 1 0 1 0 0 1 8 13 5 20 1 8 0 0 0 0 12 13 5 22 0 5 0 0 0 1 13 15 8 22 0 5 0 1 0 1 10 13 4 23 1 7 1 0 0 1 13 13 0.5 20 1 0 0 0 0 0 12 13 0.5 20 1 0 1 0 0 0 15 15 2 21 0 10 1 0 0 1 10 13 6 22 0 6 1 1 0 1 11 8 5 20 0 10 0 0 1 0 12 10 4 19 1 0 1 0 0 1 8 5 2 20 1 0 1 0 1 0 11 13 6 20 1 7.5 1 1 1 1 10 3 12 21 0 4 1 0 1 0 8 11 2 19 0 0 1 0 0 1 15 15 3 23 1 2 1 0 0 1 11 14 1 23 0 10 1 1 1 1 13 14 4 21 1 8 1 0 1 1 9 15 3 22 0 5 1 0 0 0 13 14 4 21 0 9 1 0 0 1 13 15 4 20 0 5 1 0 0 1 11 13 5 20 1 8 0 0 0 0 7 10 3 24 1 5 1 0 1 1 14 15 3 20 0 6 1 0 0 1 13 15 3 20 0 8 0 0 0 0 8 12 0.5 22 1 2 1 1 0 1 8 10 4 19 1 7 0 0 1 1 15 15 3 20 0 7 1 0 0 1 14 14 3 19 0 8 1 0 0 1 7 10 3 21 1 0 0 0 1 0 11 13 2 21 0 7 1 1 0 1 14 15 6 22 0 6 1 0 0 1 9 12 3 21 1 0 1 0 0 1 14 15 2 22 0 5 1 0 0 1 9 8 4 21 0 7 1 0 1 1 15 15 7 20 0 6 1 0 0 1 13 14 3 23 1 4 0 1 0 0 14 15 5 21 0 5 1 0 0 1 12 13 5 19 1 6 1 0 0 0 14 12 2 22 1 10 1 0 0 1 14 13 2 22 0 10 1 0 0 0 11 12 3 22 0 8 1 0 1 1 4 1 9 30 0 10 1 0 1 1 14 15 3 21 1 8 1 0 0 1 15 15 3 20 0 0 0 0 0 0 13 15 3 19 1 7 1 0 0 1 14 15 2 21 1 6 1 0 0 1 8 5 3 20 0 0 1 0 1 1 7 10 9 21 1 0 1 1 0 1 12 14 4 20 0 0 1 0 0 0 6 8 4 21 0 1 1 1 0 0 9 10 5 20 0 2 0 0 1 0 10 13 2 20 1 6 1 1 1 0 10 12 1 25 1 5 1 0 1 1 13 15 2 21 1 3 1 0 0 1 9 8 1 29 0 0 0 1 0 0 12 13 2 19 0 0 1 0 0 1 12 15 3 20 0 0 1 0 0 1 14 12 7 19 0 3 1 0 1 1 8 7 1 19 1 0 0 1 0 0 14 12 1 23 1 6 1 0 1 1 11 9 3 20 1 5 0 1 1 1 13 15 2 21 1 0 1 0 0 1 14 11 2 19 1 9 0 0 0 0 11 14 4 22 1 10 0 0 0 1 10 8 5 20 1 5 0 0 1 1 11 13 1 22 1 2 0 0 0 0 14 15 0.5 20 0 8 1 0 0 0 12 14 15 23 0 0 1 1 0 1 10 12 4 19 1 0 0 1 1 1 14 12 0 20 1 3 1 0 1 1 13 10 2 19 1 0 1 0 1 0 15 12 2 20 1 3 1 0 1 1 8 10 3 19 1 1 1 0 1 1 14 12 5 21 0 0 1 0 0 1 6 10 2 21 1 8 1 0 0 1 8 8 2 21 1 1 1 0 1 1 12 10 2 20 0 7 1 0 1 1 9 6 3 20 0 1 1 1 1 1 7 8 4 19 1 9 1 1 1 0 13 11 6 19 1 6 1 0 0 1 13 10 2 25 1 0 1 0 0 1 14 14 2 25 1 5 1 0 0 0

A lecturer at college wanted to know if he can predict student’s quiz results by asking them to complete a simple survey. The result of the survey is given below: Quiz Results EQR Study Hrs Age Sex BBT MB MC AuHS LM 15 10 3 19 0 0 1 1 0 1 14 15 4 24 0 0 1 0 0 1 9 15 1 20 0 10 1 0 0 1 6 10 3 21 0 0 1 1 0 1 14 15 4 21 0 9 1 0 0 1 12 10 6 21 0 2 0 1 0 1 12 13 2 21 1 8 1 0 0 0 15 15 0 20 0 8 1 0 0 1 12 15 3 20 0 10 1 0 0 1 13 15 0.2 19 0 8 1 0 0 1 15 15 2 20 0 6 1 0 1 1 12 14 5 20 0 5 1 1 1 1 14 15 7 22 0 8 0 0 0 0 7 7 10 21 1 7 0 0 1 0 11 15 5 24 0 0 1 0 0 1 10 10 3 22 1 0 1 0 0 1 13 11 3 23 1 1 1 1 1 1 13 15 2 22 1 8 0 0 0 0 13 12 4 20 1 7 1 0 1 0 13 10 3 20 1 0 1 0 0 1 8 13 5 20 1 8 0 0 0 0 12 13 5 22 0 5 0 0 0 1 13 15 8 22 0 5 0 1 0 1 10 13 4 23 1 7 1 0 0 1 13 13 0.5 20 1 0 0 0 0 0 12 13 0.5 20 1 0 1 0 0 0 15 15 2 21 0 10 1 0 0 1 10 13 6 22 0 6 1 1 0 1 11 8 5 20 0 10 0 0 1 0 12 10 4 19 1 0 1 0 0 1 8 5 2 20 1 0 1 0 1 0 11 13 6 20 1 7.5 1 1 1 1 10 3 12 21 0 4 1 0 1 0 8 11 2 19 0 0 1 0 0 1 15 15 3 23 1 2 1 0 0 1 11 14 1 23 0 10 1 1 1 1 13 14 4 21 1 8 1 0 1 1 9 15 3 22 0 5 1 0 0 0 13 14 4 21 0 9 1 0 0 1 13 15 4 20 0 5 1 0 0 1 11 13 5 20 1 8 0 0 0 0 7 10 3 24 1 5 1 0 1 1 14 15 3 20 0 6 1 0 0 1 13 15 3 20 0 8 0 0 0 0 8 12 0.5 22 1 2 1 1 0 1 8 10 4 19 1 7 0 0 1 1 15 15 3 20 0 7 1 0 0 1 14 14 3 19 0 8 1 0 0 1 7 10 3 21 1 0 0 0 1 0 11 13 2 21 0 7 1 1 0 1 14 15 6 22 0 6 1 0 0 1 9 12 3 21 1 0 1 0 0 1 14 15 2 22 0 5 1 0 0 1 9 8 4 21 0 7 1 0 1 1 15 15 7 20 0 6 1 0 0 1 13 14 3 23 1 4 0 1 0 0 14 15 5 21 0 5 1 0 0 1 12 13 5 19 1 6 1 0 0 0 14 12 2 22 1 10 1 0 0 1 14 13 2 22 0 10 1 0 0 0 11 12 3 22 0 8 1 0 1 1 4 1 9 30 0 10 1 0 1 1 14 15 3 21 1 8 1 0 0 1 15 15 3 20 0 0 0 0 0 0 13 15 3 19 1 7 1 0 0 1 14 15 2 21 1 6 1 0 0 1 8 5 3 20 0 0 1 0 1 1 7 10 9 21 1 0 1 1 0 1 12 14 4 20 0 0 1 0 0 0 6 8 4 21 0 1 1 1 0 0 9 10 5 20 0 2 0 0 1 0 10 13 2 20 1 6 1 1 1 0 10 12 1 25 1 5 1 0 1 1 13 15 2 21 1 3 1 0 0 1 9 8 1 29 0 0 0 1 0 0 12 13 2 19 0 0 1 0 0 1 12 15 3 20 0 0 1 0 0 1 14 12 7 19 0 3 1 0 1 1 8 7 1 19 1 0 0 1 0 0 14 12 1 23 1 6 1 0 1 1 11 9 3 20 1 5 0 1 1 1 13 15 2 21 1 0 1 0 0 1 14 11 2 19 1 9 0 0 0 0 11 14 4 22 1 10 0 0 0 1 10 8 5 20 1 5 0 0 1 1 11 13 1 22 1 2 0 0 0 0 14 15 0.5 20 0 8 1 0 0 0 12 14 15 23 0 0 1 1 0 1 10 12 4 19 1 0 0 1 1 1 14 12 0 20 1 3 1 0 1 1 13 10 2 19 1 0 1 0 1 0 15 12 2 20 1 3 1 0 1 1 8 10 3 19 1 1 1 0 1 1 14 12 5 21 0 0 1 0 0 1 6 10 2 21 1 8 1 0 0 1 8 8 2 21 1 1 1 0 1 1 12 10 2 20 0 7 1 0 1 1 9 6 3 20 0 1 1 1 1 1 7 8 4 19 1 9 1 1 1 0 13 11 6 19 1 6 1 0 0 1 13 10 2 25 1 0 1 0 0 1 14 14 2 25 1 5 1 0 0 0

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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Question

A lecturer at college wanted to know if he can predict student’s quiz results by asking them to
complete a simple survey. The result of the survey is given below:

Quiz Results	EQR	Study Hrs	Age	Sex	BBT	MB	MC	AuHS	LM
15	10	3	19	0	0	1	1	0	1
14	15	4	24	0	0	1	0	0	1
9	15	1	20	0	10	1	0	0	1
6	10	3	21	0	0	1	1	0	1
14	15	4	21	0	9	1	0	0	1
12	10	6	21	0	2	0	1	0	1
12	13	2	21	1	8	1	0	0	0
15	15	0	20	0	8	1	0	0	1
12	15	3	20	0	10	1	0	0	1
13	15	0.2	19	0	8	1	0	0	1
15	15	2	20	0	6	1	0	1	1
12	14	5	20	0	5	1	1	1	1
14	15	7	22	0	8	0	0	0	0
7	7	10	21	1	7	0	0	1	0
11	15	5	24	0	0	1	0	0	1
10	10	3	22	1	0	1	0	0	1
13	11	3	23	1	1	1	1	1	1
13	15	2	22	1	8	0	0	0	0
13	12	4	20	1	7	1	0	1	0
13	10	3	20	1	0	1	0	0	1
8	13	5	20	1	8	0	0	0	0
12	13	5	22	0	5	0	0	0	1
13	15	8	22	0	5	0	1	0	1
10	13	4	23	1	7	1	0	0	1
13	13	0.5	20	1	0	0	0	0	0
12	13	0.5	20	1	0	1	0	0	0
15	15	2	21	0	10	1	0	0	1
10	13	6	22	0	6	1	1	0	1
11	8	5	20	0	10	0	0	1	0
12	10	4	19	1	0	1	0	0	1
8	5	2	20	1	0	1	0	1	0
11	13	6	20	1	7.5	1	1	1	1
10	3	12	21	0	4	1	0	1	0
8	11	2	19	0	0	1	0	0	1
15	15	3	23	1	2	1	0	0	1
11	14	1	23	0	10	1	1	1	1
13	14	4	21	1	8	1	0	1	1
9	15	3	22	0	5	1	0	0	0
13	14	4	21	0	9	1	0	0	1
13	15	4	20	0	5	1	0	0	1
11	13	5	20	1	8	0	0	0	0
7	10	3	24	1	5	1	0	1	1
14	15	3	20	0	6	1	0	0	1
13	15	3	20	0	8	0	0	0	0
8	12	0.5	22	1	2	1	1	0	1
8	10	4	19	1	7	0	0	1	1
15	15	3	20	0	7	1	0	0	1
14	14	3	19	0	8	1	0	0	1
7	10	3	21	1	0	0	0	1	0
11	13	2	21	0	7	1	1	0	1
14	15	6	22	0	6	1	0	0	1
9	12	3	21	1	0	1	0	0	1
14	15	2	22	0	5	1	0	0	1
9	8	4	21	0	7	1	0	1	1
15	15	7	20	0	6	1	0	0	1
13	14	3	23	1	4	0	1	0	0
14	15	5	21	0	5	1	0	0	1
12	13	5	19	1	6	1	0	0	0
14	12	2	22	1	10	1	0	0	1
14	13	2	22	0	10	1	0	0	0
11	12	3	22	0	8	1	0	1	1
4	1	9	30	0	10	1	0	1	1
14	15	3	21	1	8	1	0	0	1
15	15	3	20	0	0	0	0	0	0
13	15	3	19	1	7	1	0	0	1
14	15	2	21	1	6	1	0	0	1
8	5	3	20	0	0	1	0	1	1
7	10	9	21	1	0	1	1	0	1
12	14	4	20	0	0	1	0	0	0
6	8	4	21	0	1	1	1	0	0
9	10	5	20	0	2	0	0	1	0
10	13	2	20	1	6	1	1	1	0
10	12	1	25	1	5	1	0	1	1
13	15	2	21	1	3	1	0	0	1
9	8	1	29	0	0	0	1	0	0
12	13	2	19	0	0	1	0	0	1
12	15	3	20	0	0	1	0	0	1
14	12	7	19	0	3	1	0	1	1
8	7	1	19	1	0	0	1	0	0
14	12	1	23	1	6	1	0	1	1
11	9	3	20	1	5	0	1	1	1
13	15	2	21	1	0	1	0	0	1
14	11	2	19	1	9	0	0	0	0
11	14	4	22	1	10	0	0	0	1
10	8	5	20	1	5	0	0	1	1
11	13	1	22	1	2	0	0	0	0
14	15	0.5	20	0	8	1	0	0	0
12	14	15	23	0	0	1	1	0	1
10	12	4	19	1	0	0	1	1	1
14	12	0	20	1	3	1	0	1	1
13	10	2	19	1	0	1	0	1	0
15	12	2	20	1	3	1	0	1	1
8	10	3	19	1	1	1	0	1	1
14	12	5	21	0	0	1	0	0	1
6	10	2	21	1	8	1	0	0	1
8	8	2	21	1	1	1	0	1	1
12	10	2	20	0	7	1	0	1	1
9	6	3	20	0	1	1	1	1	1
7	8	4	19	1	9	1	1	1	0
13	11	6	19	1	6	1	0	0	1
13	10	2	25	1	0	1	0	0	1
14	14	2	25	1	5	1	0	0	0

Quiz Result Actual Mark (0-15) for quiz student attained
EQR Quiz score (0-15) expected to get before taking the quiz
Study Hrs. Number of hours per week (on average) spent studying for Statistics
Age Age (in years)
BBT Satisfaction rating of Big Bang Theory
Sex M=1 F=0
MB MB=1 for good math background, otherwise 0
MC MC= 1 if math centre is used regularly, otherwise 0
AuHS AuHS = 1 if student completed high school in Australia, otherwise 0
LM LM=1 if student likes math, 0 otherwise

Task 5: Regression Analysis
The lecturer is interested to see what variables, if any will help determine the number of hours
spent on studying statistics. Test and find any regression models that can help determine the
number of hours spent on studying. (Hint run Study hrs. on…)
(a) On average, how much do males study more(less) than females?
(b) Do people who enjoy the Big Bang Theory impact on the number of hours studies?
(c) Is age a determining factor on the number of hours studied?
(d) Do students with a stronger math background study more or less? Also state how much more
or less

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