OpenStax, Introductory Statistics 2e §7.3 Using the Central Limit Theorem · Example 7 · Statistics · Sampling distributions
Using the Central Limit Theorem · Example 7
(a) Find the median, the first quartile, and the third quartile for the sample mean time of robberies in the United States.
(b) Find the median, the first quartile, and the third quartile for the sum of sample times of robberies in the United States.
(c) Find the probability that a robbery occurs on the average between 1.75 and 1.85 minutes.
(d) Find the value that is two standard deviations above the sample mean.
(e) Find the IQR for the sum of the sample times.
OpenStax, Introductory Statistics 2e · §7.3 Using the Central Limit Theorem · Example 7
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