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- Read measurements on the enlarged fractional rule shown in Figure 30-12.Find the mean hourly cost when the cell phone described above is used for 240 minutes.Compute by a suitable method the Index Number of quantity from the data given below : 2010 2016 Commodity Price- Total value Price Total Value 8. 80 10 110 10 90 12 108 16 256 20 340 ABC
- When an index number is calculated for several variables, it is called: A. Whole sale price index B. Simple index O C. Volume index D. Composite indexc) The following stem-and leaf display shows the weight, in kilogram, boxes of juice N = i. ii. iii. iv. Stem-and-Leaf Display 9 20 (**) 2 *** 12 5 0 002334666 1 01123356777 345 00122223346799 56778899 0002344 66789 Leaf Unit = 0.1 Determine the values of *. ** and *** What is the value of the median? Find the modal yield of this data set. What is the range of the data set?4. A tank is discharging water through an orifice at a depth (x) meter below the surface of water whose area (A) m². The following are the values of the corresponding values of (A)? A 1.257 1.39 1.52 1.65 1.809 1.962 2.123 2.295 2.462 2.650 2.827 1.5 1.65 1.8 1.95 2.10 2.25 2.40 2.55 2.70 2.85 3.00 Using the formula: 3 (0.018) T = A dx %3D 1.5 Calculate (T) the time in second for the level of water to drop from (3.0 m) to (1.5 m) above the orifice?
- The following table gives the cost of living index for 1998 with 1986 as base for different commodity groups: Food, Clothing, Fuel and Light, Rent and Miscellaneous as 440, 500, 350, 400 and 250 respectively with their weights in order in the ratio 15: 1:2:3:4. Obtain, the overall cost of living index number, suppose a person was earning $ 4,000 in 1986. What should be his salary in 1998 to maintain the standard of living as in 1986?The national housing authority (NHA) wants to investigate the relationship between the size of houses and the rents paid by tenants in Marikina City. The NHA collected the following information on the sizes (in hundreds of square feet) for eight houses and the monthly rentsRefer to the table to the right summarizing measured amounts of serum cotinine (ng/mL) from a sample of smokers. When nicotine is absorbed by the body, cotinine is produced. How many subjects are included in the summary? Is it possible to identify the exact values of all of the original cotinine measurements? Cotinine (ng/mL) 0-99 100-199 200-299 300-399 400-499 How many subjects are included in the summary? (Type a whole number.) Is it possible to identify the exact values of all of the original cotinine measurements? Frequency 10 14 15 3 2 OA. Yes. The exact data values are equally spaced numbers between the limits of each class. The number of equally spaced numbers is determined by the frequency in each class. OB. No. A frequency table only shows percentages of the sample in each category. OC. No. A frequency table only shows frequencies of data values in each category. OD. Yes. The data values are the frequencies shown in the table.
