Reported Versus Measured In a survey of 1046 adults conducted by Bradley Corporation, subjects were asked how often they wash their hands when using a public restroom, and 70% of the respondents said “always.”a. Identify the sample and the population.b. Why would better results be obtained by observing the hand washing instead of asking about it?

Question
Asked Dec 16, 2019
24 views

Reported Versus Measured In a survey of 1046 adults conducted by Bradley Corporation, subjects were asked how often they wash their hands when using a public restroom, and 70% of the respondents said “always.”

a. Identify the sample and the population.

b. Why would better results be obtained by observing the hand washing instead of asking about it?

check_circle

Expert Answer

Step 1

a.

Population:

A ‘population’ is defined as a set or collection of all the individual persons, objects, events, and so on, that an investigator may study for a given research problem.

Thus, the population under study is the population of...

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Math

Statistics

Other

Related Statistics Q&A

Find answers to questions asked by student like you
Show more Q&A
add
question_answer

Q: Solves all steps of question one.

A: The following cross tablulation have been provided.

question_answer

Q: Individuals filing federal income tax returns prior to March 31 received an average refund of $1,053...

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are sol...

question_answer

Q: You may need to use the appropriate appendix table or technology to answer this question. Suppose th...

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are sol...

question_answer

Q: Assume that the heights of women are normally distributed with a mean of 62   inches and a standard ...

A: Given data normally distributed with mean of 62 inches and standard deviation of 2.5 inches.

question_answer

Q: For the past decade, rubber powder has been used in asphalt cement to improve performance. An articl...

A: a)Regression:In order to obtain the least square regression line, first perform regression analysis ...

question_answer

Q: NEED THE ANSWER THAT IS RED !

A: The test hypotheses are H0: p ≥ 0.15 and Ha: p < 0.15. Here, the sample size is 332(n) and 37 of ...

question_answer

Q: this is part two. I got the answer wrong and i trying to figure out the answers before this test. Le...

A: (a) (iv)The null and the alternative hypotheses used for testing are given below:

question_answer

Q: For the data described​ below, identify the level of measurement as​nominal, ordinal,​ interval, or ...

A: Nominal level:This level of measurement is used for names, gender and it categories the data. In thi...

question_answer

Q: Are boys more likely?  A random sample of 24,468 records of newborn firstborn children revealed the ...

A: It is given that the sample size n is 24,468, number of boys in the sample to be (x) 13,175 boys and...