A t-test for a population mean tests the population mean against a hypothesized value. It is appropriate when the population standard deviation is unknown and the sample size is small. This applet ...
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Comet 3I/ATLAS Reaches Perihelion Today – “Alien Spaceship” Hypothesis To Be Tested Once And For All
On July 1, humanity became aware of comet 3I/ATLAS. This is only the third interstellar object known to us, even though, statistically, many thousands are flying through the Solar System as we speak; ...
The "alien mothership" hypothesis for interstellar comet 3I/ATLAS is about to have a key test, as it hits solar conjunction and perihelion. What does that mean, and why is a Harvard professor of ...
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