The test statistic to test hypotheses about the population variance has a chi-squared distribution with n − 1 degrees of freedom when the population random variable has a(n)____________________ distribution.
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Q57: A condition of using the chi-squared test
Q58: A random sample is drawn from a
Q59: The test statistic used to test hypotheses
Q60: The statistic (n − 1)s2 / σ2
Q61: The _ confidence limit of the confidence
Q63: Science Quiz Scores
Consider the hypotheses H0:
Q64: In a hypothesis test for the population
Q65: In a hypothesis test for the population
Q66: In determining the sample size needed to
Q67: The _ confidence limit of the confidence
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