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1. In a standard normal curve the proportion below a Z score of -1 would be : a. 0.1915. b. 0.3085. c. 0.16 d. 0.5 2. If for some reason the value of the median was calculated and found to be higher than the value of the average then this would indicate? Select the correct answer from the options below: 3. a. presence of positively skewed data b. presence of negatively skewed data C. Presence of two subsets or groups of people within the data d. All answers are wrong If the researcher decided to use the range as a description of the data variability then this would be a weak description because of? Select a. The range considers only the values in the middle of the distribution. b. The range value is based only on the two observations at the extreme ends of the distribution and does not consider values in the middle c. None of the above 4. As a result of a recent study in which two children samples were compared, where the results wanted to be generalized from the samples to the world population, we can state that children in small families are happier in their lives than children in large families in the world population. a. This statement belongs to inferential statistics b. This statement belongs to descriptive statistics C. This means that all children at large families need more relaxing time d. None of the above. 5. A doctor wrote in his annual report that Of all patients who had received this particular type of treatment, 40% later developed resistance. a. This statement belongs to inferential statistics b. This statement belongs to descriptive statistics c. This means that any person who receives such a treatment in the world have a 60% possibility of resistance to treatment. d. None of the above.