STAT 200: Introduction to Statistics
Final Examination, Fall 2016 OL1/US1
Page 1 of 8
STAT 200
OL1/US1 Sections
Final Exam
Fall 2016
The final exam will be posted at 12:01 am on October 14, and it is
Christenson, Katherine Week 2 Homework Assignment
Lane et al
Chapter 2
Problem 7: For the data from the 1977 Stat. and Biom. 200 class for eye color,
construct:
a.
b.
c.
d.
Pie graph
Horizontal bar gr
Lane Chap 11 & 12
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?
1% probability
b
Descriptive Statistics
Let us talk about faculty evaluation. Oh, let us be serious for a change .
My colleagues and good friends taught STAT 200 in 1684 at UMUC - Europe. Both had ten
students in thei
Lane Chap 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 m
Lane chap 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 = 2(6) + 9 = 21
b. If someones predicted score was 14, what was
Lane chap 10
4. Why is a 99% confidence interval wider than a 95% confidence interval?
A confidence interval contains the true population mean. If you have a 95% confidence
intervals then you are 95%
Orlando Garcia
STAT 200
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.
All this statement is telling me is tha
Orlando Garcia
STAT 200
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 the relat
X = How much money will win or lose in this game.
X
$1500
$1300
$1000
$1000
-$100
P(X)
1/16
1/16
1/16
1/16
12/16 *12
X* P(X)
$93.75
$81.25
$62.50
$62.50
$900
Or, X*P(X) = 1500(1/16)+1300(1/16)+1000(2/
WEEK 3 HW3 SOLUTIONS
1) FIRST ACE: 4/52 THEN 3/51, 2/50, AND 1/49, SO ITS 4/52 * 3/51 * 2/50 * 1/49 = 1/270,725 = 0.0000036 Good Luck!
2) TOSS TWO DICE ONCE: WHAT ARE THE ODDS (PROBABILITY) ONE ENDS U
WEEK 8 - HOMEWORK 8 LANE CHAPTER 15; ILLOWSKY CHAPTER 13
LANE CHAPTER 15
Problem 2: What are the assumptions of between-subjects analysis of variance?
The populations have the same variance, this is c
Week 1 HW, Part 1.
1. I would conduct a simple random surveyed of each group by selecting a proportionate number
from each group (stratified sample) and I would select members randomly of each groups
University of Maryland University College
Stat 2000 (Whealon)
Quiz 1
Directions: Read and sign the academic honesty certification statement below before taking the quiz. Please
show your work for maxi
University of Maryland University College
Stat 200 (Whealon)
Quiz 2 80 points
Directions: Read and sign the academic honesty certification statement below before taking the quiz. Please
show your work
Orlando Garcia
STAT 200
Week 3 Homework
7. You flip a coin three times.
a. What is the probability of getting heads on only one of your flips?
0.375 or 37.5%
b. What is the probability of getting head
University of Maryland University College
Stat 200 (Whealon)
Quiz 3 80 pts
Directions: Read & sign the academic honesty certification statement below before taking the quiz.
The test and work is due a
STAT 200
Spring 2017
Quiz #1
Katherine Christenson
I have completed this assignment myself, working
independently and not consulting anyone.
(For Questions 1, 2, 3, 4 & 5) For 12 pages randomly select
Quiz 2
Each question is worth 1 point.
Dont leave anything blank. I can always find a way to give you some credit if youve made an
attempt. Be sure to post any questions you have after the answers ope
Orlando Garcia
Stat200
Quiz 1
Quiz 1
I know I dont need to remind anyone that UMUCs academic integrity policies. We are all
adults. We know that we shortchange only ourselves if we arent honest. This
Christenson, Katherine Statistics 200 Week 3 Homework
Lane et al
Problem 5: A fair coin is flipped 9 times. What is the probability of getting
exactly 6 heads?
6/9 x 3/9= 18/36 = 0.5= 50%
Problem 7: Y
STATS 200
*(Please see revisions in red)
Lane et al.
Exercises
3. I would not know from that description exactly how it was calculated, because there is not enough
information to compare my score with
1. A fair coin is ipped 9 times. What is the probability of getting exactly 6 heads?
n= 9 x=6 prob=0.5
p(6)=[ 9!/(6!*(9-6)!)](0.5)^6* (1-0.5)^(9-6)
p(6)=84 (0.0156)(0.125)
p(6)= 0.1638
2.You ip a coin
Christenson, Katherine Week 4 Homework
Lane et al
Problem 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
deviatio
7. You flip a coin three times.
a. What is the probability of getting heads on only one of your flips?
b. What is the probability of getting heads on at least one flip?
27. A refrigerator contains 6 a
Week 8
Lane Ch 15
10. If an experiment is conducted with 5 conditions and 6 subjects in each condition,
what are dfn and dfe?
dfn = 30 1 = 29.
dfe = 30 - 5 = 25.
17. The following data are from a hypo
Quiz 2
Each question is worth 1 point.
Dont leave anything blank. I can always find a way to give you some credit if youve made an
attempt. Be sure to post any questions you have after the answers ope
Lane
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 can assume it was calculated using percentile rank form
Illowsky
Chap 3
#86 Roll two fair dice. Each die has six faces.
a. List the sample space. S=cfw_1,1,2,2,3,3,4,4,5,5,6,6
b. Let A be the event that either a three or four is rolled first, followed by a
Lane chap 2
#7 For the date from the 197 Stat. and Biom. 200 class for eye color, construct:
a.
b.
c.
d.
Pie graph
Horizontal bar graph
Vertical bar graph
A frequency table with the relative frequency