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Math
Statistics
AP Stats Chapter 19 Vocab Terms
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Terms in this set (7)
Null Hypothesis
The claim being assessed in a hypothesis test is call the ____ __________. Usually the ____ ________ is a statement of "no change from the traditional value," "no effect," "no difference," or "no relationship." For a claim to be a testable ___ ________, it must specify a value for some population parameter that can form the basis for assuming a sampling distribution for a test statistic
Alternative hypothesis
processes what we should conclude if we find the null hypothesis to be unlikely
Two-sided alternative
an alternative hypothesis is ____ _____ when we are interested in deviations in either direction away from the hypothesized parameter value
One-sided alternative
an alternative hypothesis is ___ _____ when we are interested in deviations in only one direction away from the hypothesized parameter value
P-value
the probability of observing a value for a test statistic at least as far from the hypothesized value as the statistic value actually observed if the null hypothesis is true. A small __ ______indicates either that the observation is improbable or that the probability calculation was based on incorrect assumptions. The assumed truth of the null hypothesis is the assumption under suspicion
One proportion z-test
a test of the null hypothesis that the proportion of a single sample equals a specified value by referring the statistic to a Standard Normal model
Effect size
the difference between the null hypothesis value and the actual value population parameter
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Find the first five partial sums of the given series and determine whether the series appears to be convergent or divergent. If it is convergent, find its approximate sum. $$ \sum_{n=0}^{\infty} \sqrt{n} $$
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Hector is competing in a 42-mile bicycle race. He has already completed 18 miles of the race and is traveling at a constant speed of 12 miles per hour when Wanda starts the race. Wanda is traveling at a constant speed of 16 miles per hour. At what constant speed could Wanda travel to catch up with Hector at the finish line? Explain.
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