Question
Choose the LETTER corresponding to your answer AND SHOW SOLUTION. 1. The number of vehicles passing through a fast food drive-through during each 30 minute
Choose the LETTER corresponding to your answer AND SHOW SOLUTION.
1. The number of vehicles passing through a fast food drive-through during each 30 minute period was recorded. The results are shown below. Find the median number of vehicles. Data: 23, 25, 23, 26, 26, 23, 28, 25, 33, 29, 29, 27, 22, 29, 23, 18, 13, 25, 25, 25. A. 24.85 B. 25 C. 26 D. 29 2. The contents (in ml) of a sample of 18 bottles of locally distributed premium essential oils are given. 0.68, 1.29, 0.93, 1.02, 0.74, 1.43, 1.29, 1.20, 0.68, 1.46, 1.33, 1.14, 1.33, 1.46, 0.74 1.33, 1.02, 0.93. The midrange is A. 1.055 B. 1.070 C. 1.100 D. 1.14 3. The owner of a small company employs 6 people. As part of their personnel file, she asked each one to record to the nearest one-tenth of a mile the distance they travel one way from home to work. The distances are: 52, 38, 15, 24, 15, and 39. The variance of the data set is: A. 13.6229 B. 14.9231 C. 185.5833 D. 222.7 4. A small grocery store, on average, has daily sales of Php28, 176.44. The standard deviation of sales is Php1500. On a Tuesday, the store sold Php34,083.30 worth of goods. Find the z-score for Tuesday's sales. A. 3.15 B. 3.94 C. 4.13 D. 4.25 5. Gasoline prices (per litre) for the last five weeks were P50.95, P51.25, P52.50 P49.30 and P51.70. What is the sample variance? A. 1.1194 B. 1.1829 C. 1.1890 D. 1.3993 6. What is the area under the standard normal curve between z = 0 and z = 1.79? A. 0.0367 B. 0.0401 C. 0.4633 D. 0.9599
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