Week 1 Quiz The Gallup Organization contacts 1709 adult men who are 40 to 60 yrs of age and live in the United States and asks whether or not they had seen their family doctor within the past 6...

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Week 1 Quiz

  1. The Gallup Organization contacts 1709 adult men who are 40 to 60 yrs of age and live in the United States and asks whether or not they had seen their family doctor within the past 6 months.


What is the population in the study?

  1. Adult men who are 40 to 60 yrs of age

  2. Adult men who are 40 to 40 to 60 yrs of age and have seen their family doctor

  3. Adult men who are 40 to 60 yrs of age and live in the United States

  4. Adult men who are 40 to 60 yrs of age and live in the United States and have seen their family doctor



What is the sample in the study?

  1. The 1709 adult men who are 40 to 60 yrs of age and live in the United States

  2. Adult men who are 40 to 60 yrs of age

  3. Adult men who are 40 to 60 of age and live in the United States

  4. The 1709 adult men who are 40 to 60 yrs of age and live in the United States and have seen their family doctor



  1. What is 94% of 200?

  2. Identify the type of observational study (cross-sectional, retrospective, or prospective) described below.


A research company uses a device to record the viewing habits of about 15,000 households, and the data collected over the past 2 yrs will be used to determine whether the proportion of households tuned to a particular sports program increased.Which type of observational study is described in the problem statement?

  1. Retrospective study

  2. Prospective study

  3. Cross-sectional study



  1. Listed below are the durations (in hours) of a simple random sample of all flights of a space shuttle program. Find the range, variance, and standard deviation for the sample data. Is the lowest duration time usual? Why or why not.


SHOW WORK


  1. The range of the sample data is _______ hours. (Enter integer or decimal)

  2. The variance of the sample data is _______. (Enter integer or decimal)

  3. The standard deviation of the sample data is _______. (Enter integer or decimal)


Is the lowest duration time usual? Why or why not? Choose from the answers below:

  1. No, because it is within two standard deviations of the mean

  2. No because the sample is random

  3. Yes, because the lowest value in a data set is usually an outlier

  4. Yes, because it is more than two standard deviations below the mean



  1. Which is relatively better: a score of 79 on a psychology test or a score of 38 on an economics test? Scores on the psychology test have a mean of 89 and a standard deviation of 14. Scores on the economics test have a mean of 51 and a standard deviation of 10. Choose the correct answer from the choices below:



  1. The psychology test score is relatively better because its z score is less than the z score for the economics test score

  2. The economics test score is relatively better because its z score is less than the z score for the psychology test score

  3. The economics test score is relatively better because its z score is greater than the z score for the psychology test score

  4. The psychology test score is relatively better because its z score is greater than the z score for the economics test score



  1. Find the third quartile Q3 of the list of 24 sorted values shown below:


SHOW WORK



The third quartile Q3 is _______.(Enter integer or decimal)
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Answered Same DayDec 22, 2021

Answer To: Week 1 Quiz The Gallup Organization contacts 1709 adult men who are 40 to 60 yrs of age and live in...

Robert answered on Dec 22 2021
120 Votes
Week 1 Quiz
1. The Gallup Organization contacts 1709 adult men who are 40 to 60 yrs of age and live in the
United States and asks whether or not they had seen their family doctor within the past 6 months.
What is the population in the study? Choose from the answers from below:
a) Adult men who are 40 to 60 yrs of age
b) Adult men who are 40 to 40 to 60 yrs of age and have seen their family doctor
c) Adult men who are 40 to 60 yrs of age and live in the United States
d) Adult men who are 40 to 60 yrs of age and live in the United States and have seen their
family doctor
Answer) Adult men who are 40 to 60 yrs of age and live in the United States. So answer is C).
The population is adult men who live in US and are of 40 to 60 years old. Out of these 1709 men’
sample has been drawn and question about doctor has been asked.
What is the sample in the study? Choose from the answers from below:
a) The 1709 adult men who are 40 to 60 yrs of age and live in the United States
b) Adult men who are 40 to 60 yrs of age
c) Adult men who are 40 to 60 of age and live in the United States
d) The 1709 adult men who are 40 to 60 yrs of age and live in the United States and have
seen their family doctor
Answer) The 1709 adult men who are 40 to 60 yrs of age and live in the United States so
answer is a).
2. What is 94% of 200?
Answer) 200*94/100=94*2=188 is 94% of 200.
3. Identify the type of observational study (cross-sectional, retrospective, or prospective) described
below.
A research company uses a device to record the viewing habits of about 15,000 households, and...
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