Class Activity 5 Q4. Considering the following two distributions, which statement is correct? a) SD of the distribution A is larger than that of distribution B. b) Mode of the distribution A is larger...

Extracted text: Class Activity 5 Q4. Considering the following two distributions, which statement is correct? a) SD of the distribution A is larger than that of distribution B. b) Mode of the distribution A is larger than that of distribution B. c) Range of the distribution A is smaller than that of distribution B. d) Mean of the distribution A is larger than that of distribution B. e) A data item with z-score of -1 falls between 30 to 40 in distribution A. f) A data item with z-score of +1 falls between 10 to 20 in distribution B. A B 10 20 30 40 50 60 70 80 90 100


Extracted text: Q5. In a research, blood pressure of a sample of people have been measured and plotted against their age, as shown below. Which statement is correct? a) The scatter plot indicates a perfect negative correlation. b) The scatter plot indicates approximate r = +0.95. c) The scatter plot indicates that older people tend to have higher blood pressure. d) If this data is fitted to a linear line of regression, the Y-intercept will be a positive. 140 130 120 110 100 90 80 40 45 50 55 60 65 70 Age (years) Systolic blood pressure (mmHg)