4. Inductive Reasoning
Statistical Reasoning — Quiz
Test your understanding of statistical reasoning with 5 practice questions.
Practice Questions
Question 1
A sample of 36 observations has a mean of $50$ and a standard deviation of $12$. What is the standard error of the mean for this sample?
Question 2
A data set has a mean of $60$ and a standard deviation of $8$. If a value in the data set is $76$, what is the z-score of this value?
Question 3
A survey of 500 people finds that 220 people support a particular policy. What is the sample proportion of people who support the policy?
Question 4
A data set is approximately normally distributed with a mean of $100$ and a standard deviation of $15$. Approximately what percentage of the data falls between $85$ and $115$?
Question 5
A study reports a mean of $75$ and a standard deviation of $10$. What is the value that is two standard deviations below the mean?