Statistics

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stat200finalanswersheet_fall_2015_ol1.pdf

STAT 200 Final Examination Fall 2015 OL1/US1 Page 1 of 10

STAT 200 Introduction to Statistics Name______________________________

Final Examination: Fall 2015 OL1 / US1 Instructor __________________________

Answer Sheet

Instructions:

This is an open-book exam. You may refer to your text and other course materials as you work

on the exam, and you may use a calculator.

Record your answers and work in this document.

Answer all 25 questions. Make sure your answers are as complete as possible. Show all of

your work and reasoning. In particular, when there are calculations involved, you must

show how you come up with your answers with critical work and/or necessary tables.

Answers that come straight from programs or software packages will not be accepted. If

you need to use software (for example, Excel) and /or online or hand-held calculators to aid

in your calculation, please cite the source and explain how you get the results.

When requested, show all work and write all answers in the spaces allotted on the following

pages. You may type your work using plain-text formatting or an equation editor, or you may

hand-write your work and scan it. In either case, show work neatly and correctly, following

standard mathematical conventions. Each step should follow clearly and completely from the

previous step. If necessary, you may attach extra pages.

You must complete the exam individually. Neither collaboration nor consultation with

others is allowed. Your exam will receive a zero grade unless you complete the following

honor statement.

Please sign (or type) your name below the following honor statement:

I promise that I did not discuss any aspect of this exam with anyone other than my instructor. I

further promise that I neither gave nor received any unauthorized assistance on this exam, and

that the work presented herein is entirely my own.

Name _____________________ Date___________________

STAT 200 Final Examination Fall 2015 OL1/US1 Page 2 of 10

Record your answers and work.

Problem

Number Solution

1

(15 pts)

Answers:

(a)

(b)

(c)

(d)

(e)

Work for (a), (b), (c), (d) and (e):

2

(5 pts)

Answer:

Checkout Time (in minutes) Frequency Relative Frequency

1.0 - 1.9 3

2.0 - 2.9 12

3.0 - 3.9

0.20

4.0 - 4.9 3

5.0 -5.9

Total 25

STAT 200 Final Examination Fall 2015 OL1/US1 Page 3 of 10

Work:

3

(3 pts)

Answer:

Work:

4

(5 pts)

Answer:

Work:

5

(2 pts)

Answer:

Work:

6

(5 pts)

Answer:

Work:

STAT 200 Final Examination Fall 2015 OL1/US1 Page 4 of 10

7

(5 pts)

Answer:

Work:

8

(4 pts)

Answer:

Work:

9

(4 pts)

Answer:

Work:

10

(4 pts)

Answer:

Work:

STAT 200 Final Examination Fall 2015 OL1/US1 Page 5 of 10

11

(10 pts)

Answer:

Work:

12

(5 pts)

Answer:

Work:

13

(5 pts)

Answer:

Work:

14

(5 pts)

Answer:

Work:

STAT 200 Final Examination Fall 2015 OL1/US1 Page 6 of 10

15

(15 pts)

Answer:

(a) (5 pts)

x P(x)

0

1

2

3

(b) (10 pts) mean (μ) = __________ , and standard deviation (σ) = _____________

Work for (a) and (b):

16

(15 pts)

Answer:

(a) (5 pts)

(b) (10 pts)

Work for (a) and (b) :

STAT 200 Final Examination Fall 2015 OL1/US1 Page 7 of 10

17

(5 pts)

Answer:

Work:

18

(5 pts)

Answer:

Work:

19

(5 pts)

Answer:

Work:

20

(8 pts)

Answer:

Work:

STAT 200 Final Examination Fall 2015 OL1/US1 Page 8 of 10

21

(15 pts)

Answer:

(a)

(b)

(c)

Work for (a) and (b):

22

(15 pts)

Answer:

(a)

(b)

(c)

(d)

Work for (b) and (c):

STAT 200 Final Examination Fall 2015 OL1/US1 Page 9 of 10

23

(15 pts)

Answer:

(a)

(b)

(c)

(d)

Work for (b) and (c):

24

(15 pts)

Answer:

(a) (10 pts)

(b) (5 pts)

Work for (a) and (b):

STAT 200 Final Examination Fall 2015 OL1/US1 Page 10 of 10

25

(10 pts)

Answers:

(a)

(b)

(c)

Work for (a) and (b):