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SECTION A: MCQ Type II Instructions i. There are fifteen (15) Multiple choice questions in this section ii. Answer all in the answer sheet provided 1. The following variable(s) is(are) measured on a nominal scale. Contact) Height in cm. F g Contin Numett Nominal [ b) Ethnic groupT mov areluc) Social class (I/II/III-N/III-M/IVY) ordeal Gotegoriot. ordinal cher A. d) Age categorised as young, middle-aged or old dio ordered class F . C ) Age in years gar P Age in xears. Checking your data for errors: a) Ensures, that the results of the statistical analysis are valid f b) Ensures that your data cannot contain any transcription errors. c) Is usually a waste of time as they have little effect on the results. 1 TI d) Cannot be done if the data set contains missing values. e) Can be done by typing the data in twice and making the appropriate comparisons 3. The median: F a) Is a measure of the spread of the data. " b) Is a useful summary measure when the data are skewed to the right. @ T c) Is greater than the arithmetic mean when the data are skewed to the right. d) Is wasteful of information e) Can be distorted by outliers.4. Consider the two events - an individual belonging to blood group A (probability = 0.42) and the individual getting a 'head' when tossing a coin (probability = 0.50). True or False a) The two events are mutually exclusive f 7 b) The two events are independent F c) The probability of the individual both belonging to blood group A and getting a head is 0.42 + 0.50 = 0.92. ~ d) The probability that the individual does not belong to blood group A is 0.58. Te) The probability of the individual both belonging to blood group A and getting a head is 0.42 * 0.50 =0.21.