Chapter 11: Onesample Test of Significance
11.1 The HypothesisTesting Process



We determine whether to reject or not to reject this initial hypothesis.
Hypothesis a tentative proposal or statement about a fact.
Needs to be backed up by proven stan
Solutions to Homework, Chapter 16 Section 1.
Shaded or LARGE: Discussed in Class
page 697, problems # 1, 4, 6
page 698, problem # 11
page 699, problems # 15 and 16
Chapter 16, page 697, #1
In a regression analysis the independent variable is used to ma
Solutions to Homework on Chapter 03
page 118, problem # 14
page 119, problems # 17, 19, and 21
Discuss Highlighted Solutions in Class cfw_Minitab figures may appear slightly
different
Chapter 03, page 118, #14
a) discrete frequency table (to create with
Solutions to Homework on Chapter 02
page 58, problems # 15, 16, 19, 20
Boxed&/orUnderlined: Discuss in class
page 59, problem # 27, 30, 32, 34
Chapter 02, page 58, #15
A sample is a random sample when the objects or individuals of a population of intere
Solutions to Homework on Chapter 02
page 57, problems # 5, 6, 10
Boxed&Underlined: Discuss in class
page 58, problems # 11, 12
Chapter 02, page 57, #5
In general there are six main steps to order a research process. Initially the researcher has to
defin
BUSI 1450 Statistics (Fall 2015)
1. A
2. D
3. C
4. E
5. A
6. B
7. A
8. C
9. E
10. D
11. C
12. E
13. A
14. B
15. A
16. A
17. B
18. C
19. B
20. C
Assignment #1 SOLUTION
BUSI 1450 Statistics (Fall 2015)
Assignment #2 Question & Instructions
DUE: Thursday, October 1, 2015 BEFORE Midnight (AKA 11:59pm)
Late submissions will NOT be accepted.
This is an INDIVIDUAL assignment. Do NOT copy, send/transmit or share files with oth
BUSI 1450 Statistics (Fall 2015) Assignment #4 Question & Instructions
DUE: Friday, November 6, 2015 BEFORE Midnight (AKA 11:59pm)
Late submissions will NOT be accepted.
This is an INDIVIDUAL assignment. Do NOT copy, send/transmit or share files with
othe
BUSI 1450 Statistics (Fall 2015)
1. B
2. D
3. C
4. A
5. B
6. D
7. D
8. F
9. E
10. B
11. C
12. A
13. C
14. D
15. F
16. B
17. A
18. B
19. B
20. A
21. E
22. B
23. D
24. A
25. D
Assignment #3 SOLUTION
BUSI 1450 Statistics (Fall 2015)
1. D
2. A
3. D
4. C
5. C
6. B
7. D
8. D
9. C
10. E
11. B
12. B
13. B
14. D
15. D
16. A
17. B
18. B
19. E
20. C
Assignment #4 SOLUTION
BUSI 1450 Statistics (Fall 2015)
1. D
2. B
3. C
4. D
5. B
6. D
7. A
8. E
9. D
10. D
11. B
12. E
13. B
14. A
15. E
16. A
17. C
18. A
19. B
20. A
Assignment #2 SOLUTION
BUSI1450 Statistics
Fall 2015 Midterm 1
Condensed Solution
Please Note: this is a condensed solution. Below are just the final answers. The intent is that you take
some time to review your exam and retry questions you need to work on (remember, the final
Solutions to Homework on Chapter 04
Highlighted or boxed: Discussed in class
page 159, problems # 10a and 11a
page 160, problems # 21, 22a and 25
page 161, problem # 33
page 162, problem # 37
page 163, problems # 46 and 47
page 164, problems # 58 an
Solutions to Homework on Chapter 05
Discuss Shaded or Boxed in Class
page 208, problems # 8 (interpret data as a sample) and 10
page 209, problem # 18
page 210, problems # 22 and 31
page 211, problems # 32, 42 and 44
page 212, problems # 51 and 54
p
Solutions to Homework on Chapter 15 (section 15.1 only)
Shaded or Larger: Discuss in Class
page 647, problems # 2, 3, 5, 6, 11, 12, 14 and 15
Chapter 15, page 647, #2
The symbol for the sample coefficient of correlation is r.
Chapter 15, page 647, #3
Pos
Solutions to Homework on Chapter 10
page 433, problems # 26, 28, 30, 32
shaded or
Large: discuss in class
Chapter 10, page 433, #26
_Given: For the population (lengths of jail sentences):
= 9.75;
For the sample: n = 40;
x
= 4.05
a) _the standard error (
Solutions to Homework on Chapter 08 (Section 2; not covering sections 8.3 & 8.4 )
Shaded
or LargeDiscuss in Class
page 363, problems # 17, 27, 28
page 364, problems # 30, 31
For solving problems to assess normality, review the Slides for
section 8.2, post
Solutions to Homework on Section 10.1
shaded or
Large: discuss in class
page 432, problems # 10, 11, 12
What kinds of estimates are the following:
Chapter 10, page 432, #10
_The population estimate of 5.2 million seals is a point
estimate.
Chapter 10, pa
Solutions to Homework on Chapter 09 (Sections 2 & 3;
page 398, problems # 26, 27, 28, 30
page 399, problems # 37, 38, 39, 41, 43
Shaded or
Section 9.4 will not be formally covered)
Large: Discuss in Class
Chapter 09, page 398, #26
_Given:
For lengths of
Solutions to HW on Chaper 09 (Section 1)
Shaded or
Large: Discuss in Class
page 396, problems # 1, 2, 5, 10
page 397, problems # 11, 13, 14
Chapter 09, page 396, #1
The term error in the expression standard error of the mean does not imply that a mistak
Solutions to Exercises on Chpt. 06 (sections 1&2)
Shaded or Large: Discussed in class
page 257, problem # 4
page 258, problems # 9, 10, 11, 13, 14
page 260, problems # 22, 24, 25
Chapter 06, page 257, #4
a) The sample space consists of the genders of all
Solutions to Homework on Chpt. 8, Section 8.1
page 361, problems # 1, 2, 10
Shaded or Large: Discuss in Class
page 362, problems # 12a, b, c, 13, 14, 16
For solving problems of a normal distribution with the computer see In Brief 8.1(a) on pages
329/330
Solutions to Homework on Chapter 06, Section 6.3
page 261, problems # 29, 36, 39
page 262, problems # 40, 41, 42, 44
Discussed: Shaded or Large
Chapter 06, page 261, #29
According to the Multiplication Rule two events A and B are independent, if P(A) x
BUSI1450 Statistics
Fall 2015 Midterm 1
Condensed Solution
Please Note: this is a condensed solution. Below are just the final answers. The intent is that you take
some time to review your exam and retry questions you need to work on (remember, the final
BUSI1450 Statistics
Fall 2015 Midterm 1
Condensed Solution
Please Note: this is a condensed solution. Below are just the final answers. The intent is that you take
some time to review your exam and retry questions you need to work on (remember, the final