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For the following questions, select the letter of the answer that arranges each set of sentences in logical time order. The first sentence is the topic sentence in each set. Ham the Chimp was the United States' first higher primate astronaut.
____ His training complete, Ham was strapped into a capsule atop a Mercury rocket and launched from Cape Canaveral, Florida, into outer space on January 31, 1961.
____ Following his successful flight, the astronaut chimp lived in zoos for 17 years until he died at age 27 and was buried at New Mexico's International Space Hall of Fame.
____ After spending a day in orbit proving that astronauts could indeed function in space, Ham splashed down in the Atlantic Ocean and was picked up by a rescue ship.
____ In December 1960, the chimpanzee was trained to perform simple tasks in response to lights and sounds.
Significance Level
The probability of rejecting the null hypothesis in a statistical test when it is actually true; a threshold for determining statistical significance, usually denoted by alpha (α).
Null Hypothesis
In statistics, a hypothesis that there is no significant difference or association between specified populations, any observed difference being due to sampling or experimental error.
Mean Weight
The average mass of an object or collection of objects, obtained by adding their weights together and dividing by the number of objects.
Two Tailed Test
A statistical test used to determine if there are differences in two directions, assessing the possibility of extreme outcomes in both tails of the distribution.
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