A Chess Team Advisor Wanted to Examine How Long It

question 43

Multiple Choice

A chess team advisor wanted to examine how long it took his top two players, Fishy Bobber and Chet Mate, to complete their moves. Over the course of 50 matches each, Fishy averaged 330 seconds to move while Chet averaged 420 seconds to move. If the overall standard deviation for Fishy and Chet was 45 seconds, what was the effect size of their difference?

• A) 1.0
• B) 90
• C) 2.0
• D) Not enough information is given.

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Definitions:

Volcanic Neck

A steep, typically butte-shaped topographic feature composed of volcanic materials that formed in the conduit within or beneath a volcanic vent and that were more resistant to erosion than surrounding materials.

Batholith

A large mass of intrusive igneous rock, often granite, that has crystallized deep in the Earth's crust.

Oceanic Settings

Environmental conditions pertaining to the ocean, including its physical, chemical, and biological characteristics.

Volcanic Islands

Islands that are formed from the eruption of volcanoes on the ocean floor, often emerging above sea level.