Question

a climatologist claims that the precipitation in seattle, washington, was greater than in birmingham, alabama, in a recent year. the daily precipitation amounts (in inches) for 30 days in a recent year in seattle and a recent year in birmingham are given in the accompanying table. assume the population standard deviation is 0.247 inch for seattle and 0.523 inch for birmingham. at α=0.05, can you support the climatologist’s claim? complete parts (a) through (e). click the icon to view the precipitation data. (a) identify the claim and state h₀ and hₐ. what is the claim? a. the mean precipitation in seattle was greater than in birmingham in a recent year. b. the mean precipitation in seattle was less than in birmingham in a recent year. c. the mean precipitation in seattle was the same as in birmingham in a recent year. d. the mean precipitation in seattle was different than in birmingham in a recent year.

Explanation:

The climatologist's claim is about the precipitation in Seattle being greater than in Birmingham. Among the options, option A states that the mean precipitation in Seattle was greater than in Birmingham in a recent year, which matches the claim. Options B (less), C (same), and D (different) do not align with the given claim.

Answer:

A. The mean precipitation in Seattle was greater than in Birmingham in a recent year.