Expert answer:Statistic Questions

Expert answer:Answer all 20 questions. Make sure your answers are as complete as possible.
Show all of your supporting work and reasoning. Answers that come straight
from calculators, programs or software packages without any explanation will not
be accepted. If you need to use technology (for example, Excel, online or hand-
held calculators, statistical packages) to aid in your calculation, you must cite the
sources and explain how you get the results.
Record your answers and work on the separate answer sheet provided.
This exam has 20 questions; 5% for each question.
student_answer_sheet_stat200_fall_2017_ol4.docx

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STAT 200 Final Examination
Fall 2017 OL4/US2
Record your answers and work.
Problem
Number
Solution
Answer:
(a)
(b)
(c)
(d)
1
(e)
Justification:
Answer:
(a)
(b)
(c)
2
(d)
(e)
Justification:
Page 1 of 9
STAT 200 Final Examination
Fall 2017 OL4/US2
Page 2 of 9
Answer:
(a)
Study Time (in hours)
Frequency Relative Frequency
0.0 – 5.0
40
5.1 – 10.0
100
10.1 – 15.0
15.1 – 20.0
120
20.1 – 25.0
3
Total
(b)
(c)
Work for (a) and (b):
Answer:
(a)
(b)
(c)
4
0.25
(d)
(e)
Work for (a), (b), (c) :
500
STAT 200 Final Examination
Answer:
(a)
(b)
5
Work for (a) and (b):
Answer:
(a)
(b)
Work for (b):
6
Answer:
(a)
(b)
Work for (a) and (b):
7
Fall 2017 OL4/US2
Page 3 of 9
STAT 200 Final Examination
Fall 2017 OL4/US2
Answer:
(a)
(b)
8
Work for (a) and (b):
Answer:
(a)
x
-$5
$10
$20
$50
(b)
9
Work for (a) and (b):
Answer:
(a)
10
(b)
Work for (b) :
P(x)
Page 4 of 9
STAT 200 Final Examination
Answer:
(a)
(b)
Work for (a) and (b):
11
Answer:
(a)
(b)
12
Work for (a) and (b):
Answer:
Work:
13
Fall 2017 OL4/US2
Page 5 of 9
STAT 200 Final Examination
Answer:
Work:
14
Answer:
(a) .
(b)
(c)
(d)
Work for (b) and (c):
15
Answer:
(a)
(b)
16
(c)
(d)
Work for (b) and (c):
Fall 2017 OL4/US2
Page 6 of 9
STAT 200 Final Examination
Answers:
(a)
(b)
(c)
(d)
Work for (b) and (c):
17
Answer:
(a)
(b)
18
(c)
(d)
Fall 2017 OL4/US2
Page 7 of 9
STAT 200 Final Examination
Fall 2017 OL4/US2
Page 8 of 9
Work for (b) and (c):
Answer:
(a)
(b)
Work for (a) and (b):
19
Answer:
(a)
Source of
Variation
Factor
(Between)
Error
(Within)
Total
20
(b)
Sum of Squares
(SS)
Degrees of
Freedom (df)
Mean Square
(MS)
199
N/A
53.6
553.05
STAT 200 Final Examination
(c)
(d)
Work for (a), (b) and (c):
Fall 2017 OL4/US2
Page 9 of 9
…
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