TRUE OR FALSE 31. The variance is not a measure of absolute dispersion. 32. The union, as well as the intersection, of two mutually exclusive and independent events is the null set. 33. In terms of its level of measurement, military time is in the ratio level. 34. If a set of observations has mean and standard deviation both equal to zero then its range is zero. 35. If the null hypothesis is accepted, then the alternative hypothesis is false. 36. The t-distribution is symmetrical about a mean of one. 37. If A and B are mutually exclusive events with P(A)=0.4 and P(B)=0.5, then P(ANB)=0.20. 38. Systematic sampling requires information on the arrangement of the elements in the sampling frame to determine the reliability of the estimates. 39. If X follows a normal distribution with mean equal to 16 and variance equal to 8, then P(X

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