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Christina Hansen
Quiz 3
Stat 200 (Clary)
Instructions: Record your answers and work in the space below each problem. Be sure to record
the final answer next to Answer and show all your calculation ste
Homework Assignment 5
Q\ "x cfw_\CS W Stat 200 (Clary)
Instructions: Be sure to record the nal answer next to Answer and show all your
calculation steps or assumptions under Work. You can type in your
a)
This design is withinsubjects design.
A wilinsnbjec'ls design, which is sometimes called a repeated measures design. This
type of experimental design is when one set of participants are tested more
Sample size: 25
Mean x (x): 51.4
Mean y (y): 56.6
Intercept (a): 16.155169491525
Slope (b): 0.78686440677966
Regression line equation: y=16.155169491525+0.78686440677966x
http:/www.alcula.com/calculat
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Page 1 of 9
Homework Assignment 2
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 c
Christina Hansen
Homework Assignment 6
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 y
STAT 200: Introduction to Statistics
1.
Final Examination, Spring 2016 OL1/US1
Page 2 of 7
True or False. Justify for full credit.
(a)
(b)
(c)
(d)
(e)
The standard deviation of a data set cannot be ne
Page 1 of 7
Homework Assignment 3
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 c
STAT 200
Week 5 Assignment
Lane et al.
4. Why is a 99% confidence interval wider than a 95% confidence interval?
Formula for construct confident interval (CI) is:
CI = (Mean z multiplier*Standard erro
STAT 200 Final Examination
Fall 2015 OL3
Page 1 of 12
STAT 200 Introduction to Statistics
Final Examination: Fall 2015 OL3
Instructor _Mr. Baysah_
Answer Sheet
Instructions:
This is an open-book exam.
STAT 200
Fall 2015
Quiz #3
Answer all 20 questions. Each question is worth 2 points, and the
maximum score for the quiz is 40 points. Make sure your answers are as
complete as possible and show your w
STAT 200
Week 4 Assignment
Lane et al.
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
STAT 200
Week 3 Assignment
Lane et al.
5. A fair coin is flipped 9 times. What is the probability of getting exactly 6 heads?
0.164
7.You flip a coin three times. (a) What is the probability of gettin
STAT 200
Week 6 Assignment
Lane et al.
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 t
STAT 200
Week 1 Assignment
Lane et al.
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. Yes, it means I scored
STAT 200
Fall 2015
Quiz #1
Answer all 20 questions. Each question is worth 2 points, and the
maximum score for the quiz is 40 points. Make sure your answers are as
complete as possible and show your w
STAT 200
Fall 2015
Quiz #2
Answer all 20 questions. Each question is worth 4 points, and the
maximum score for the quiz is 80 points. Make sure your answers are as
complete as possible and show your w
STAT 200
Week 7 Assignment
Lane et al.
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?
The predicted score =2*6+9=21
b. If som
STAT 200
Week 2 Assignment
Lane et al.
3. An experiment compared the ability of three groups of participants to remember
briefly presented chess positions. The data are shown below. The numbers
repres
Quiz 2
1. (6 points) Graph 4 is the actual data. The rest are
simulations from Normal distribution. Do you think the data
domes from a normal distribution?
Day 2: Page 1 of 2
Quiz 2
2. Consider the fo
Solution of question 7:
SOLUTION for Q6 proofs (a), (b), and (c):
test
See HW#5, Q3 and Q8
Stat 23400: Spring 2016
Scanned by CamScanner
Midterm Exam (Solutions)
7 of 7
Quiz1
1. Suppose yi = a + bxi is a linear transformation of data. If sx
is the sample standard deviation of cfw_x1 , x2 , . . . , xn and sy is
the sample standard deviation of cfw_y1 , y2 , . . . , y