STAT 200 Final Examination Summer 2018OL1/US1 Page 1 of 10

Intro to Statistics

STAT 200 Final Examination Summer 2018OL1/US1 Page 1 of 10

Answer all 20 questions. Make sure your answers are as complete as possible, particularly when it asks for you to show your work. 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. For example, state the Excel function along with the required parameters when using Excel; describe the detailed steps when using a hand-held calculator; or provide the URL and detailed steps when using an online calculator, and so on.
Record your answers and work.

Problem Number Solution
1 Answer:
(a)
(b)
2 Answer:
(a)
(b)
3 Answer:
(a)
(b)
Justification for (a) and (b):
4 Answer:
(a)
(b)
5 Answer:
(a)
(b)

Season Rainfall (in Inches) Frequency Cumulative Relative Frequency
0 – 9.99 1
10 – 19.99 22
20 – 29.99 0.84
30 – 30.99 0.98
40 – 40.99 1.00
Total 50

(c)
(d)
Work for (b) and (c):

6 Answer:
(a)
(b)
Work for (a) and (b):
7 Answer:
(a)
(b)
Work for (a):
8 Answer:
(a)
(b)
Work for (a):
9 Answer:
(a)
(b)
Work for (a) and (b):
10 Answer:
(a)n = , p = , and q = .
(b)
Work for (b):
11 Answer:
(a)
(b)
Work for (a) and (b):
12 Answer:
(a)
(b)
Work for (a) and (b):
13 Answer:
(a)
(b)
(c)
(d)
(e)
(f)
Work for (c) and (d):
14 Answer:
(a)
(b)
Work for (a):
15 Answer:
(a)
(b)
Work for (a):
16 Answer:
(a)
(b)
(c)
(d)
(e)
(f)
(g)
Work for (d) and (e):
17 Answer:
(a)
(b)
18 Answer:
(a)
(b)
19 Answers:
(a)
(b)
(c)
(d)
(e)
(f)
Work for (c) and (d):
20 Answer:
(a)
(b)
(c)
(d)
Work for (a), (b) and (c):
 

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