1. Suppose a large number of people take a test, and every single student gets exactly...
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1. Suppose a large number of people take a test, and every single student gets exactly half of the answers right. In this case, the standard deviation is (a) equal to the mean (b) equal to the median (c) equal to zero (d) impossible to determine without more information 2. In a frequency distribution: (a) the frequency is the dependent variable (b) the median is always equal to the mean (c) the mode represents the average value (d) the mean is always equal to the mode 3. A tabulation of cumulative absolute frequency values is useful in determining (a) the mode (b) the variance (c) the median (d) the mean 4. A subset of a population is known as (a) a sample (b) a continuous variable (c) a random variable (d) a discrete variable 5. Imagine that 11 people take a 10-question test. Suppose one student gets 10 correct answers, one gets 9 correct, one gets 8 correct, and so on, all the way down to one student getting none correct. What is the mean score, accurate to three decimal places? (a) 4.545 (b) 5.000 (c) 5.500 (d) It is not defined. 1. Suppose a large number of people take a test, and every single student gets exactly half of the answers right. In this case, the standard deviation is (a) equal to the mean (b) equal to the median (c) equal to zero (d) impossible to determine without more information 2. In a frequency distribution: (a) the frequency is the dependent variable (b) the median is always equal to the mean (c) the mode represents the average value (d) the mean is always equal to the mode 3. A tabulation of cumulative absolute frequency values is useful in determining (a) the mode (b) the variance (c) the median (d) the mean 4. A subset of a population is known as (a) a sample (b) a continuous variable (c) a random variable (d) a discrete variable 5. Imagine that 11 people take a 10-question test. Suppose one student gets 10 correct answers, one gets 9 correct, one gets 8 correct, and so on, all the way down to one student getting none correct. What is the mean score, accurate to three decimal places? (a) 4.545 (b) 5.000 (c) 5.500 (d) It is not defined.
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