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what is the relationship between sample size and survey results

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Karol E.
Karol E.Lv8
2 Apr 2021
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Related textbook solutions

Introductory Statistics
OER Edition, 2013
Openstax
ISBN: 9781938168208

Related questions

Using the Raosoft Sample Size calculator, a survey project with a final N of 777 subjects where the population size is estimated to be   the margin of error (+/-) at 95% confidence level would be:

  1. 1%
  2. 3.5%
  3. 7%
  4. 5%
  5. 382

 

At a university, 61% of the 7400 students are female. The student newspaper reports results of a survey of a random sample of 50 students about various topics involving alcohol abuse, such as participation in binge drinking. They report that their sample contained 26 females.

(a) Show the population distribution of gender at this university
 
(b) show the data distribution of gender for the sample
 
(c) Consider the sampling distribution of the sample proportion of females in samples of size 50. State the mean and standard error for this sampling distribution.
 
 

 

At a university, 61% of the 7400 students are female. The student newspaper reports results of a survey of a random sample of 50 students about various topics involving alcohol abuse, such as participation in binge drinking. They report that their sample contained 26 females.

 

(a) Show the population distribution of gender at this university

(b) show the data distribution of gender for the sample

(c) Consider the sampling distribution of the sample proportion of females in samples of size 50. State the mean and standard error for this sampling distribution.

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