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Question: question 6 if the median of a random variable is...

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QUESTION 6 If the median of a random variable is 12, then we know that o more than 50% of the sample is less than 12 50% of the sample are less than 12 o more than 50% of the sample are greater than 12 o we also need the mean to answer this question QUESTION 7 A variance of 6 indicates that O The minimum distance between the mean and a randomly drawn observation is 6 O The maximum distance between the mean and a randomly drawn observation is 6 O The expected distance between the mean and a randomly drawn observation is 6 o We also need the mean to answer this question QUESTION 8 A confidence interval tells us o How precisely a statistic has been estimated O Whether a statistic has been calculated correctly o Whether a sample is random or not O Absolutely nothing of use QUESTION 9 A standard deviation is O The same thing as a standard error O The variance squared O The square root of the variance O The variance, adjusted for the number of observations QUESTION 10 A standard error is O The same thing as a standard error O The variance squared O The square root of the variance O The standard deviation, adjusted for the number of observations

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