Inferential Statistics
Week 2 Lab Quiz Answer
About this Course
Inferential Statistics
This course is part of the Statistics with R Specialization
In this article, i am gone to Share Inferential Statistics Week 2 Lab Quiz Answer Coursera.
Week 2 Lab
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Question 1)
My distribution should be similar to others' distributions who also
collect random samples from this population, but it is likely not
exactly the same since it's a random sample.
- True
- False
Question 2)
For the confidence interval to be valid, the sample mean must be
normally distributed and have standard error Which of the following is
not a condition needed for this to be true?
- The sample is random.
- The sample size, 60, is less than 10% of all houses.
- The sample distribution must be nearly normal.
Question 3)
What does "95% confidence" mean?
- 95% of the time the true average area of houses in Ames, lowa, will be in this interval.
- 95% of random samples of size 60 will yield confidence intervals that contain the true average area of houses in Ames, lowa.
- 95% of the houses in Ames have an area in this interval.
- 95% confident that the sample mean is in this interval.
Question 4)
What proportion of 95% confidence intervals would you expect to capture
the true population mean?
- 1%
- 5%
- 95%
- 99%
Question 6)
What is the appropriate critical value for a 99% confidence level?
- 0.01
- 0.99
- 1.96
- 2.33
- 2.58
Question 6)
We would expect 99% of the intervals to contain the true population
mean.
- True
- False
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Inferential Statistics All Week Lab Quiz Answer
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Inferential Statistics All Week Quiz Answer
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