DARD GGU.EDU HELP MY COURSES - Question 6 Not yet answered Points out of 2.00 Flag question In a right-skewed distribution, Select one: Oa. the mean is equal to the median Ob. the mean is greater than the median Oc. The mean is less than the median Question 7 Not yet answered Points out of 2.00 P Flag question According to the empirical rule, if the data form a "bell-shaped" normal distribution, percent of the observations will be contained within 2 standard deviations around the arithmetic mean. Select one: Oa. 95.44 Ob. 68% Oc. 99.7% Question 8 Not yet answered Points out of 2.00 P Flag question According to the Chebyshev rule, at least 75% of all observations in any data set are contained within a distance of how many standard deviations around the mean? Select one: Oa. 1 Ob. 2 Oc. 3 Question 9 Not yet answered Points out of 2.00 P Flag question What does the Z score measure? Select one: a. The difference between the value and the mean, divided by the standard deviation Ob. The value that seems excessively different from most of the rest of the values Oc. All the above Question 10 Not yet answered Points out of 2.00 P Flag question If the outcome of event A is not affected by event B, then events A and B are said to be Select one: Oa. mutually exclusive Ob. independent Oc. collectively exhaustive