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A researcher does a one-sample t test with 999 cases. How many degrees of freedom does the t test have? __________
Pebble Tools
Primitive stone tools made by chipping small flakes from pebbles to create a sharp edge, used by early humans for cutting and scraping; typical of the Paleolithic era.
Atlatl
A tool used to throw spears or darts with greater force and distance than could be achieved by the human arm alone, employed by various ancient cultures.
Burin
A type of stone tool with a chisel-like edge, primarily used in carving or engraving hard materials during prehistoric times.
Flakes
Small, thin pieces of something, typically broken off from a larger piece, often used in reference to stone tool production in archaeology.
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