What is the range What is the range for the following sample of March electric bill amounts for all homes of similar sizes to the nearest dollar)? $212, 191,5176, $129.5106, $92, 5108, 109, $103. $121, $175, and $194 S100 b. $130 $120 d. 5112 e. None of the above. 31. 16 Roughly speaking, what are half of the observations always greater than? Median. b. Mode. Mean. d. Geometric mean. e. None of the above. 08. What is the following table called? des Number of Ages 20 up to 30 30 up to 40 25 40 up to 50 50 up to 60 SO 60 up to 70 70 up to 80 a. A frequency polygon C. A histogram e . A frequency distribution b. An ogive d. A bar chart You are given the following five values: 11,6,10,6 and 7. What is o? a. 5.5 b. 2.3452 c. 8 d. 10 . 2.0976 In 1929, GDP was $103.7 billion. In 1939 it was 592 billion. What was the average annual rate of increase during those ten years? a. -11.7% b.-2.4% C.-0.8% d. - 1.2% e.-9.2% Which of the following is true about a histogram? a. It provides a pictorial representation of the information contained in a frequency distribution b. The larger the class interval or width, the smaller the amount of information lost. c. It is found in many over-the-counter drugs to help relieve allergy symptoms. d. It is simply another name for an ogive. c. All of the above. 34 21. When all the values in a given data set are equal to each other, the variance would equal: a. The mean. b. The median. c. Zero. d. Cannot be determined. e. All of the above. 35 DA. The incomes of a group of 50 loan applicants are obtained. Which level of measurement is incomes? a. Nominal b. Ordinal c. Interval d. Ratio e. None of the above The weights (in grams) of the contents of several small bottles are 4, 2, 5, 4, 5, 2 and 6. What is the sample variance? a. 6.92 b. 4.80 . 2.00 d. 2.33 e . None of the above