Directions: Fill out this answer sheet by March 18, 2018 11:59 pm Eastern Time. Do all of your work on this answer sheet. If you must, you may include additional pages to this answer sheet; however, if you do not properly fill out this answer sheet your problems will not be graded. If you have any questions about this assignment, always feel free to ask your instructor.
| eResources | Chapter | Exercise | Page* | PDF Page* |
| Lane et al. | 1 | 3** | 62 | 62 |
| 10 | 63 | 63 | ||
| 17** | 64 | 64 | ||
| 18 | 64 | 64 | ||
| Illowsky et al. | 1 | 50** | 53 | 59 |
| 52 | 53 | 59 | ||
| 72** | 54 | 60 | ||
| 80 | 56 | 62 | ||
| 84** | 57 | 63 | ||
| 90 | 60 | 66 |
- Page numbers are approximated due to version control of the eResources, especially for Illowsky et al.
- ** Homework 1 problems.
Author: Lane
- True or False: If you are told only that you scored in the 80th percentile, you can determine exactly how the percentile score was calculated?
- True
- False
ADHD Treatment (AT) case study – go to chapter 20 in Lane. Click on the ADHD case study link number eight.
17a. (AT) What is the independent variable of this experiment? How many levels does it have?
- Delay time
- Dosage of methylphenidate
- Compounding
- Confounding
17b. (AT) How many levels does the independent variable have?
- 1
- 2
- 3
- 4
17c. (AT) This case shows data for the DOG. What is DOG?
- Delay of gratification.
- A four-legged animal that is man’s best friend.
- An acronym for a mixed martial arts maneuver.
- None of the above.
17d. (AT) The order of doses was counterbalanced so that each dose appeared equally often in each position. What does it mean for the dosages to counterbalanced?
- The dosages were applied on opposing sides of a mass-balance?
- The dosages were administered with an equal dose of water?
- The dosages were distributed among test subjects in such a way as to be able to separate the effects of each dosage from one another.
- Counterbalancing is just technobabble nerds like your instructor like to use.
Author: Illowsky
- A Lake Tahoe Community College instructor is interested in the mean number of days Lake Tahoe Community College math students are absent from class during a quarter. What is the population she is interested in?
- all Lake Tahoe Community College students
- all Lake Tahoe Community College English students
- all Lake Tahoe Community College students in her classes
- all Lake Tahoe Community College math students
- A study was done to determine the age, number of times per week, and the duration (amount of time) of residents using a local park in San Jose. The first house in the neighborhood around the park was selected randomly and then every eighth house in the neighborhood around the park was interviewed. The sampling method was:
- simple random
- systematic
- stratified
- cluster
Forbes magazine published data on the best small firms in 2012. These were firms which had been publicly traded for at least a year, have a stock price of at least $5 per share, and have reported annual revenue between $5 million and $1 billion. Table 1.37 shows the ages of the chief executive officers for the first 60 ranked firms.
| Age | Frequency | Relative Frequency | Cumulative Relative Frequency |
| 40–44 | 3 | 0.050 | 0.050 |
| 45–49 | 11 | 0.183 | 0.233 |
| 50–54 | 13 | 0.217 | 0.450 |
| 55–59 | 16 | 0.267 | 0.717 |
| 60–64 | 10 | 0.167 | 0.883 |
| 65–69 | 6 | 0.100 | 0.983 |
| 70–74 | 1 | 0.017 | 1.000 |
Table 1.37
Answer the following questions based on Table 1.37 above.
84a. What is the frequency for CEO ages between 54 and 65?
- 3
- 11
- 14
- 26
84b. What percentage of CEOs are 65 years or older?
- 11%
- 12%
- 13%
- 14%
84c. What is the relative frequency of ages under 50?
- 22%
- 23%
- 24%
- 26%
84d. What is the cumulative relative frequency for CEOs younger than 55?
- 40
- 42
- 45
- 47
84e. In Figure 1.12 below, which graph shows the relative frequency and which shows the cumulative relative frequency? Fill in the blanks below with the letter of the appropriate graph.
(a) (b)
Figure 1.12
Cumulative frequency: _____
Relative frequency: _____
