Question

1. Provide an example when a simple random sample doesn't lead to less bias? 2. Consider...

1. Provide an example when a simple random sample doesn't lead to less bias?

2. Consider an experiment where we're trying to determine how much water is needed to grow tomatoes. We have 16 pots with one tomato plant in each. We decide to try four different amounts of water (2 oz., 4, 6, 8). At the end of the study, the yield of tomatoes will be measured. Given no other information, what type of design is this?

Completely Randomized Design

Latin Square Design

Completely Randomized Block Design

Factorial Design

3. A response bias occurs when

The population is undercovered

Subjects don’t respond

Subjects' responses were influenced

The sample is not random

4. We’re trying to determine a person’s salary using their age as a predictor. What is the dependent variable?

5. We’re trying to determine a person’s salary using their age as a predictor. What is the independent variable?

6. Imagine you've designed a survey. Which of the following questions will give you qualitative data?

What is your age?

What is your sex?

What is your pulse rate?

How many times do you visit a doctor in a year?

7. You are designing an experiment in which you play different types of music to see if it helps with memory. You have decided to try three different types of music (Hard rock, Classical, Pop), as well as no music at all. Subjects will read a story, and be given a short quiz afterwards. What is the explanatory variable?

Type of music

Quiz results

Hard rock

No music

Homework Answers

Answer #1

1. In order to determine that which flavour of coffee would be the selling the most in a coffee shop, we collect a random sample of the city's population in which the coffee shop is located. Instead of using only the customers sample, we can try to obtain a random sample from database of region and take a larger sample possible to deal with the bias.

2. The design is factorial design as there are 16 factors at 4 levels each.

3. A response bias occurs when subjects don't respond.

4. Dependent variable is person's salary as the salary depends upon the age.

5. Independent variable is the age.

6. The question - what is your sex will give me qualitative data as the answer would not be numeric.

7. Explanatory variable is the type of music as the quiz results depends on them.

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Consider a study where people were asked how much money they currently make at their job....
Consider a study where people were asked how much money they currently make at their job. What type of bias do you think will be most likely? Nonresponse Response Sampling No bias You are trying to determine what the best combination of diet and exercise provides the most weight loss. You decided to try three different diets (Atkins, Paleo, McDonalds only), along with no dieting, and two different forms of exercise (Yoga, high cardio), along with no exercise. You try...
When is a hypothesis considered scientific? a. when it is based on something other than observation...
When is a hypothesis considered scientific? a. when it is based on something other than observation b. when it can be tested and is refutable c. when it relies on anecdotal evidence d. when it relies on mystical explanations e. All hypotheses are considered scientific until experiments determine otherwise. 3. Of the following, which is the earliest step in the scientific process? a. generating a hypothesis b. analyzing data c. conducting an experiment d. drawing a conclusion e. developing a...
1. Summarize in a few sentences what Ayers found about pricing strategies in car markets. 2....
1. Summarize in a few sentences what Ayers found about pricing strategies in car markets. 2. Do you think that this is a profit maximizing strategy? Do you think this is an appropriate and reasonable strategy for businesses to undertake it it increases their profits? 3. Can you think of other goods or services that could be - or are - priced the same way? Check out the article on discrimination in coffee shops "Waiting for Good Joe" for some...
Team 5 answer the questions What are 4 key things you learned about the topic from...
Team 5 answer the questions What are 4 key things you learned about the topic from reading their paper? How does the topic relate to you and your current or past job? Critique the paper in terms of the organization and quality. Incentive Systems             In this paper, we will focus primarily on financial rewards that companies use to attract, retain and motivate the brightest and most talented candidates in the labor market. By providing a reward system that...
Mattel Responds to Ethical Challenges Business Ethics This case was written by Debbie Thorne, John Fraedrich,...
Mattel Responds to Ethical Challenges Business Ethics This case was written by Debbie Thorne, John Fraedrich, O. C. Ferrell, and Jennifer Jackson, with the editorial assistance of Jennifer Sawayda. This case was developed for classroom discussion rather than to illustrate either effective or ineffective handling of an administrative, ethical, or legal discussion by management. All sources used for this case were obtained through publicly available material. Mattel, Inc. is a world leader in the design, manufacture, and marketing of family...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT