Syllabus
Math 17-114 Section 06: General Statistics
Fall 2015
INSTRUCTOR: Han Yu, PhD
OFFICE:
PHONE:
E-MAIL:
1657 Garrett Strong Hall
(660)562-1371
hanyu@nwmissouri.edu
1. Email response within 36 hours except weekends.
2. Write Math 17-114-06 (nothing el
Homework Quiz Chapter 16 Answers
pp. 444-449; 2, 4, 6, 8, 10, 12, 14, 16 a), b), c), 20, 22, 24, 28, 30, 34, 38, 42.
P. 444, #2a: This means that 4% of the approximately 1500 people in the sample considered themselves
to be suffering. This is our best est
Answers to Review Homework for Unit 3
For questions 1 - 20 match each of the scenarios to the appropriate hypothesis test/confidence interval
option. You do NOT need to do any more than that. (You do not need to answer the questions asked.)
A.
B.
C.
D.
E.
Homework Answers Chapter 2: pp. 33-42: 2, 4, 6, 12, 14, 18, 22, 26, 28, 34, 44
2.
4.
i. D
ii. A
iii. C
6.
iv. B
a. 14,824/237,828 = 6.2%
b. 8,858/237,828 = 3.7%
c. 2,329/21,047 = 11.1%
d. 4,378/139,063 = 3.1%
12. a. Yes, each movie falls into only one cat
Homework Answers
Chapter 9: pp. 236: 2. 1 and 2 from the HW Supplement posted under the unit button.
Chapter 10: pp. 286-290: 2, 6, 8, 10, 12, 14, 16, 18, 30, 32, 40, 44
Chapter 9 book, page 263: 2
2.
a) True
b) True
c) False
HW Supplement Chapter 9:
1.
a
Homework Quiz Chapter 3: pp. 72-81: 2, 4, 6, 8, 14, 16, 20, 22, 28, 30, 34, 36, 40, 42, 44, 52, 53, 54
2.
a. Looking at the boxplot, the narrowest section of the boxplot would contain the tallest bars.
b. A boxplot shows a skewed distribution if, on the s
Homework Answers to Chapter 21: pp. 601-609: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 38.
Page 601, # 2
Which method II?
a) Paired. Each respondent is paired with his or her spouse.
b) Not paired. The respondents in the different treatment
Homework Answers Chapter 1: pp. 10-13: 2, 4, 6, 8, 10, 16, 20, 22, 32
2.
Retailers will use the information about items you have purchased and viewed to target their
recommendations to you. This will increase the likelihood that you will purchase the prod
Homework Answers to Chapter 20: pp. 571-581: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 52,
56, 58, 74, 76.
Page 571, # 2
Ans: 0.0223
Page 571, # 4
Non-profits, part 2. We have random samples and we must assume the samples
were collected inde
Homework Quiz Answers Chapter 18
pp. 496-503: 8, 14, 16, 18, 20, 24, 32, 34, 42, 48
8a) A larger standard deviation in home value losses would increase the width of the
confidence interval.
8b) Your classmate is correct. A lower confidence level results i
Homework Quiz Answers Chapter 19
pp. 526-532: 2, 4, 6, 12, 14, 16, 18, 20, 22, 26a, 28a, 28b, 30a, 34, 36a, 40
2a) Let p = proportion using seat belts in MA
H0 : p = 0.65
HA : p 0.65
2b) Let p = proportion of employees willing to pay for onsite day care
H
Homework Quiz Answers Chapter 15
pp. 419-427 #4, 6, 8, 28, 34, 36, 40, 50, 60a, 60c, 60d, 62a, 62c
4. All of the histograms are centered around p = 0.85 . As n gets larger, the shapes of the histograms get
more unimodal and symmetric, approaching a Normal
1. Question :
A political party sends a mail survey to 1500 randomly selected
registered voters in a community. The survey asks respondents to
give an opinion about the job performance of the current President.
Of the 1500 surveys sent out, 480 are return
Homework Chapter 4: pp. 100-76: 2, 4, 6, 16, 18, 20 (a)(b), 22 (a)(b), 34(a)(b), 40(a)
2)
Load factors in the Fall/Winter period vary less than load factors in the Spring/Summer period, but
are generally higher.
4)
Load factors have increased steadily sin
Homework Quiz Chapter 6: pp. 169-177: 2, 6, 8, 12, 14, 20, 34, 40, 42.
Page 169, # 2
a. Price: explanatory; number sold: response. To predict the number sold based on the price.
Scatterplot: Negative, straight, moderate.
b. Water pressure: response; depth
Answers to Chapter 17 Homework: pp. 468-473; 2, 4, 6, 10, 12, 14, 16, 22, 28, 30, 32, 36, 42.
p. 468, #2:
a. H0 : Your friends chance of guessing the correct suit is ;
b. Ha: Your friends chance of guessing the correct suit is more than .
p. 468, #4: Smal
Homework Chapter 11: pp. 309-314: 2, 4, 6, 8, 10, 12, 14, 16, 20, 24, 26, 30,
34, 38, 40, 48, 50, 54, 58.
1) p. 309, #2:
ans: This is an observational study because the student is not randomly assigning companies to use or
not use the Internet for busines
Calculus
Show all work for full credit!
Quiz 2
Ss 3.1-3.4
Name_Sidney Bailey_
Due Wednesday 10/6/10
1
2
f ( x) = x 2
x x + 1
1. Differentiate f and simplify the answer to a single fraction:
2a) Find an equation of the tangent line to the curve y =
3x
(1
Calculus I
Show all work for full credit!
Quiz 1
Ss 2.1-2.5
Name_Sidney Bailey_
Due Wednesday 9/15/10
1. The displacement (in meters) of an object moving in a straight line is given by s (t ) = 1 + 2t + 0.25t 2 , where t is
measured in seconds. Find the a