STAT 200 QUIZ 3
Section 6360 Fall 2016
I have completed this assignment myself, working independently and not consulting
anyone except the instructor.
NAME_Jessica Gallagher_
INSTRUCTIONS
The quiz is worth 40 points total.
The quiz covers Week 5 and 6 mat
STAT 200 Final Examination
Spring 2017 OL1/US1
Page 1 of 10
STAT 200 Introduction to Statistics
Name_
Final Examination: Spring 2017 OL1/US1
Instructor _
Answer Sheet
Instructions:
This is an open-book exam. You may refer to your text and other course mat
STAT 200 Final Examination
Summer 2016 OL1/US1
Page 1 of 15
STAT 200 Introduction to Statistics
Name_Briana Saul_
Final Examination: Summer 2016 OL1/US1
Instructor _Dr. Davis, Roger_
Answer Sheet
Instructions:
This is an open-book exam. You may refer to y
STAT 200 QUIZ 2
Section 6360 Fall 2016
I have completed this assignment myself, working independently and not
consulting anyone except the instructor.
NAME_Jessica Gallagher_
INSTRUCTIONS
The quiz is worth 40 points total.
The quiz covers week 3 and week
Ernest Dominguez
STAT 200
HW 2
7. For the data from the 1977 Stat. and Biom. 200 class for eye color, construct:
a. pie graph
b. horizontal bar graph
c. vertical bar graph
d. a frequency table with relative frequency of each eye color.
Eye Color
Brown
Blu
Ernest Dominguez
STAT200 HW6
Prof. Konnova
Lane et al.
Ch. 11#18. You choose an alpha level of .01 and then analyze your data.
a. What is the probability that you will make a Type I error given that the null hypothesis is true?
The confidence level lets u
STAT 200
Section 6360
Spring 2017
Quiz #2
Please answer all 6 big questions. The maximum score for each question is
posted at the beginning of the question, and the maximum score for the
quiz is 80 points. Make sure your answers are as complete as possibl
Page 1 of 9
Homework Assignment 1
Stat 200 (Clary)
Instructions: Be sure to record the final answer next to Answer and show all your calculation
steps or assumptions under Work. You can type in your calculations, use the equation tool, or
insert images of
STAT 200
Quiz 7
16a.
# of Trials n=10
Probability of successes p= 0.25
Probability of failures q=1 p=1=0.25=0.75
16b.
P ( X 1 )=
P ( x=1 )+ P ( x=2 ) + P ( x=3 ) + P ( x=4 ) + P ( x=5 )+ P ( x=6 ) + P ( x=7 ) + P ( x=8 ) + P ( x =9 ) + P ( x=10 )
0
.75 =
STAT 200: STAT 200
Book 1: Chapter 5
5. A fair coin is ipped 9 times. What is the probability of getting exactly 6 heads?
1/ (2^9) x (9/6)
2^9 = 512
(9 x 8 x 7) / (3 x 2 x 1) =84
84/512 = 0.1640625 x 100 = 16.4%
7. You ip a coin three times.
(a) What is t
Homework 5: STAT 200
Book 1: Chapter 10
4. Why is a 99% condence interval wider than a 95% condence interval? A 99% confidence
interval is wider simply, because it is 4% higher than 95% confidence interval. With 99%
confidence, there is only a 1% chance l
STAT 200: Homework 2
Book 1
7. For the data from the 1977 Stat. and Biom. 200 class for eye color, construct:
a. pie graph
Eye Color
Brown
Blue
Green
Gray
b. horizontal bar graph
Chart Title
Grey
Green
Blue
Brown
0
2
4
Eye Color
c. vertical bar graph
6
Pe
STAT 200: Homework 4
Book 1: Chapter 7
8. Assume the speed of vehicles along a stretch of I-10 has an approximately normal distribution
with a mean of 71 mph and a standard deviation of 8 mph.
a. The current speed limit is 65 mph. What is the proportion o
STAT 200: Homework 6
Book 1: Chapter 11
18. You choose an alpha level of .01 and then analyze your data.
a. What is the probability that you will make a Type I error given that the null hypothesis is true?
By definition in signicance testing, the error of
STAT 200 QUIZ 3
Instructor: Dr. Jing Gao
NAME_Michele Persinger_
Spring 2017
INSTRUCTIONS
The quiz is worth 80 points total.
The quiz covers week 6 materials.
The quiz has two portions:
Multiple Choice (8 problems, 32 points). Show work/explanation as
Week 7 Homework
Lane Chapter 14
2. The formula for a regression equation is Y=2X+9.
a. What would be the predicted score for a person scoring 6 on X? X=2x6+9=21
b. If someones predicted score was 14, what was this persons score on X?
Y=2X+9
14=2X+9
X=(14-
STAT 200 QUIZ 1
Instructor: Dr. Jing Gao
NAME_
Spring 2017
INSTRUCTIONS
The quiz is worth 40 points total.
The quiz covers week 1 and week 2 materials.
The quiz has two portions:
Multiple Choice (8 problems, 16 points). Show work/explanation as appropr
Ernest Dominguez
STAT200 HW7
Prof. Konnova
Lane et al.
Ch. 14#2. The formula for a regression equation is Y = 2X + 9.
a. What would be the predicted score for a person scoring 6 on X?
y = 2x + 9
y = (2)(6) +9 = 21
predicted value (y) = 21
b. If someones p
Ernest Dominguez
STAT200 HW3
Prof. Konnova
Lane et al.
Ch5 # 5
A fair coin is flipped nine times. What is the probability of getting exactly 6 heads?
9C6(1/2)^6*(1/2)^3 =0.164
Ch5 # 7
You flip a coin three times.
a) What is the probability of getting head
STAT 200
Spring 2017`
Quiz #3
Please answer all 4 big questions. The maximum score for each
question is posted at the beginning of the question, and the maximum score
for the quiz is 80 points. Make sure your answers are as complete as
possible and show y
STAT 200
Quiz 5
Quiz #5
1. True or False. Justify for full credit.
(a) The normal distribution curve is always symmetric to 0.
False. Normal distribution is always symmetrical regarding its mean, but the mean does
not have to be at zero.
(b) If the varian
STAT 200 Quiz 2
January 28, 2016
1. Suppose that the correlation r between two quantitative
variables was found to be r = 1. Which of the following is the best
interpretation of this correlation value?
1.
There is a strong linear relationship between the
STAT 200
QUIZ 4
Week #4 Quiz
1. UMUC Stat Club is sending a delegate of 2 members to attend the 2015 Joint Statistical
Meeting in Seattle. There are 10 qualified candidates. How many different ways can the
delegate be selected?
Selected Member #1: 10 cand
STAT 200
Week #3 Bonus Quiz (Can be added to any previous quiz grade)
A fair coin is tossed 4 times.
1. How many outcomes are there in the sample space? (5 pts)
The sample space of a fair coin is cfw_H,T.
The sample space of a sequence of 4 fair coin toss
STAT 200
Quiz 3
1 c. 0.5
2. b. if they have no sample points in common
3. Given that event E has a probability of 0.25, the probability of the complement of
event E(E')
a. cannot be determined with the above information
My reasoning for this is based in
STAT 200 2212 QUIZ 1
Fall 2017
I have completed this assignment myself, working independently and not consulting
anyone except the instructor.
NAME_Cecilia Calderon_
INSTRUCTIONS
The quiz is worth 40 points total.
The quiz covers Week 1 and Week 2 materia
Ernest Dominguez
STAT200 HW1
Prof. Konnova
Lane et al.
Ch. 1 #3. If you are told only that you scored in the 80th percentile, do you know from that
description exactly how it was calculated? Explain.
I wouldnt know because I would need more information su
Examining Distributions Checkpoint 1
Question 1
Select one answer.
10 points
This histogram shows the times, in minutes, required for 25 rats in an animal behavior experiment to
successfully navigate a maze.
For the data described by the above histogram,
Page 1 of 8
Homework Assignment 4
Stat 200 (Clary)
Instructions: Be sure to record the final answer next to Answer and show all your calculation
steps or assumptions under Work. You can type in your calculations, use the equation tool, or
insert images of
Quiz 1
Ernest Dominguez
Quiz 1
Professor Konnova
STAT 200
Spring 2017
Quiz #1
Please answer all 10 questions. The maximum score for the quiz is
40 points. Make sure your answers are as complete as possible and
show your work/argument. In particular, when