Home
Subjects
Expert solutions
Create
Study sets, textbooks, questions
Log in
Sign up
Upgrade to remove ads
Only $35.99/year
Assignment Chapter 6: Sampling: Theory and Methods
Flashcards
Learn
Test
Match
Flashcards
Learn
Test
Match
Terms in this set (8)
Compared to sampling, it is less time-consuming and less expensive to conduct a census.
false
When executed properly, systematic random sampling creates a sample of objects or prospective respondents that is very similar in quality to a sample drawn using simple random sampling.
True
Snowball sampling prohibits the introduction of bias in a study.
false (snowball sampling allows bias to enter the study.)
A population is an identifiable group of elements of interest to a researcher and pertinent to the information problem
true
In the context of the factors that play an important role in determining sample sizes with probability designs, the higher the level of confidence desired, the smaller the sample size needed.
false (The higher the level of confidence desired is the larger the sample size needed.)
The primary difficulty encountered with stratified sampling is determining the basis for stratifying.
true
Sampling errors usually are related to the accuracy of data, whereas nonsampling errors relate to the representativeness of a sample to a defined target population.
False (Nonsampling errors usually are related to the accuracy of the data, whereas sampling errors relate to the representativeness of the sample to the defined target population.)
In cluster sampling, each cluster is assumed to be representative of the heterogeneity of a target population.
true
Sets with similar terms
Marketing Research Chapter 6
54 terms
MAR 4613 Chapter 6
49 terms
Other sets by this creator
Chapter 7: Measurement and Scaling
9 terms
Assignment Chapter 5: Descriptive and Causal Resea…
42 terms
Chapter 9: Qualitative Data Analysis
57 terms
Chapter 4: Exploratory and Observational Research…
100 terms
Verified questions
STATISTICS
Assume that the accounts described in the exercise have no other deposits or withdrawals except for what is stated. Round all answers to the nearest dollar, rounding up to the nearest dollar in present-value problems. Assume 360 days in a year. In 1777, Jacob DeHaven loaned George Washington’s army $450,000 in gold and supplies. Due to a disagreement over the method of repayment (gold versus Continental money), DeHaven was never repaid, dying penniless. In 1989, his descendants sued the U.S. government over the 212-year-old debt. If the DeHavens used an interest rate of 6% and daily compounding (the rate offered by the Continental Congress in 1777), how much money did the DeHaven family demand in their suit?
PROBABILITY
Two cards are randomly chosen without replacement from an ordinary deck of 52 cards. Let B be the event that both cards are aces, let $$ A_s $$ be the event that the ace of spades is chosen, and let A be the event that at least one ace is chosen. Find (a) $$ P ( B | A _ { S } ) $$ , (b) $$ P ( B | A ) $$
PROBABILITY
A study of the trunk flexor muscle strength of 75 girls aged 3 to 7 was reported by Baldauf, K., Swenson, D., Medeiros, J., and Radtka, S., “Clinical assessment of trunk flexor muscle strength in healthy girls 3 to 7,” Physical Therapy, 64, pp. 1203–1208, 1984. With muscle strength graded on a scale of 0 to 5, and with 15 girls in each age group, the following sample means and sample standard deviations resulted. $$ \begin{matrix} \text{Age} & \text{3} & \text{4} & \text{5} & \text{6} & \text{7}\\ \text{Sample mean} & \text{3.3} & \text{3.7} & \text{4.1} & \text{4.4} & \text{4.8}\\ \text{Sample standard deviation} & \text{.9} & \text{1.1} & \text{1.1} & \text{.9} & \text{.5}\\ \end{matrix} $$ Test, at the 5 percent level of significance, the hypothesis that the mean trunk flexor strength is the same for all five age groups.
STATISTICS
Ladies Home Journal magazine reported that $66\%$ of all dog owners greet their dog before greeting their spouse or children when they return home at the end of the workday. Suppose that 12 dog owners are selected at random. (a) Show that the four requirements for a binomial setting are met. (b) Find the probability that exactly 7 of the 12 dog owners greet their dog first when they arrive home. Show your work. (c) Find the probability that at least 5 of the 12 dog owners greet their dog first when they arrive home. Show your work.
Recommended textbook solutions
The Practice of Statistics for the AP Exam
5th Edition
Daniel S. Yates, Daren S. Starnes, David Moore, Josh Tabor
2,433 solutions
The Practice of Statistics for AP
4th Edition
Daniel S. Yates, Daren S. Starnes, David Moore
2,491 solutions
Fundamentals of Statistics
5th Edition
Michael Sullivan
2,062 solutions
Elementary Statistics: Picturing the World
5th Edition
Betsy Farber, Ron Larson
2,478 solutions
Other Quizlet sets
MKTG Exam 3 (11-15)
145 terms
Lecture 6 Part 2
22 terms
Classroom management test 3 part 2
10 terms
diabetic client part 1
91 terms