7. Make a bar graph presentation of the monthly rainfall over a period of one year, when given: MONTH RAINFALL (mm/mo) MONTH RAINFALL (mm/mo) JAN 5.8 JULY 395.2 FEB 2.3 AUG 517.5 MAR 4.3 SEPT 395.6 APR 13.3 OCT 152.2 MAY 186.9 NOV 35.0 JUNE 281.3 DEC 3.3 Discuss and describe the result.
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- The following chart shows monthly figures for Apple stock in 2010.† The graph contains a series of 12 points connected by curves. The curves and the approximate points they connect are as follows. The curves start at (Jan-10, 211.98), go down and right to (Feb-10, 195.46), go up and right to (Mar-10, 218.95), go up and right to (Apr-10, 235.97), go down and right to (May-10, 235.86), go up and right to (Jun-10, 255.96), go down and right to (Jul-10, 246.94), go up and right to (Aug-10, 260.09), go down and right to (Sep-10, 258.77), go up and right to (Oct-10, 294.07), go up and right to (Nov-10, 317.13), and go up and right to stop at (Dec-10, 317.44). Marked are the following points on the chart. Jan. 10 Feb. 10 Mar. 10 Apr. 10 May 10 June 10 211.98 195.46 218.95 235.97 235.86 255.96 July 10 Aug. 10 Sep. 10 Oct. 10 Nov. 10 Dec. 10 246.94 260.09 258.77 294.07 317.13 317.44 Calculate to the nearest 0.01% your monthly percentage return (on a simple interest basis) if you…The following chart shows monthly figures for Apple stock in 2010.† The graph contains a series of 12 points connected by curves. The curves and the approximate points they connect are as follows. The curves start at (Jan-10, 211.98), go down and right to (Feb-10, 195.46), go up and right to (Mar-10, 218.95), go up and right to (Apr-10, 235.97), go down and right to (May-10, 235.86), go up and right to (Jun-10, 255.96), go down and right to (Jul-10, 246.94), go up and right to (Aug-10, 260.09), go down and right to (Sep-10, 258.77), go up and right to (Oct-10, 294.07), go up and right to (Nov-10, 317.13), and go up and right to stop at (Dec-10, 317.44). Marked are the following points on the chart. Jan. 10 Feb. 10 Mar. 10 Apr. 10 May 10 June 10 211.98 195.46 218.95 235.97 235.86 255.96 July 10 Aug. 10 Sep. 10 Oct. 10 Nov. 10 Dec. 10 246.94 260.09 258.77 294.07 317.13 317.44 Suppose you bought Apple stock in May. If you later sold at one of the marked dates on the chart,…The MAD for the forecast developed using a weighted 2-year moving average with weights of 0.350.35 and 0.650.65 is what?
- Suppose the customers arrive at a Poisson rate of on eper every 12 minutes, and that the service time is exponential at a rate of one service per 8 minutes. What are the average number of customers in the system(L) and the average time a customer spends in the system(W)? Now suppose that the arrival rate increases 20 percent.What is the corresponding change in L and W?Air traffic controllers have the crucial task of ensuring that aircrafts don’t collide. To do this, they must quickly discern when two planes are about to enter the same air space at the same time. They are aided by video display panels that track the aircraft in their sector and alert the controller when two flight paths are about to converge. The display panel currently in use has a mean “alert time” of 15 seconds. (The alert time is the time elapsing between the instant when two aircraft enter into a collision course and when a controller initiates a call to reroute the planes.) According to Ralph Rudd, a supervisor of air traffic controllers at the Greater Cincinnati International Airport, a new display panel has been developed that uses artificial intelligence to project a plane’s current flight path into the future. This new panel provides air traffic controllers with an earlier warning that a collision is likely. It is hoped that the mean “alert time,” ?, for the new panel is…Suppose a group of consumers spend 30% of their disposable income on food, 20% on clothing, and 50% on rent. If over the course of a year the price of food rises 10%, the price of clothing drops 5% and rent rises 15%, what is the average price increase experienced by these consumers?
- Is the height (in inches) of students in this class a discrete or continuous variable?The following graph shows the approximate value of the United States Consumer Price Index (CPI) from December 2006 through July 2007. On the graph titled "CPI Dec 2006-July 2007," the horizontal axis is labeled t and the vertical axis is labeled I(t). The curve begins at the point (0, 202), goes up and right becoming more steep, passes through the approximate point (3.5, 205.5), goes up and right becoming less steep, and ends at the approximate point (7, 208.7). The approximating curve shown on the figure is given by I(t) = −0.04t3 + 0.4t2 + 0.1t + 202 (0 ≤ t ≤ 7), where t is time in months since the start of December 2006. (a) Use the model to estimate the monthly inflation rate in January 2007 (t = 1). Recall that the inflation rate is I′(t) I(t) . (Round your answer to three decimal places.)The following graph shows the approximate value of the United States Consumer Price Index (CPI) from December 2006 through July 2007. On the graph titled "CPI Dec 2006-July 2007," the horizontal axis is labeled t and the vertical axis is labeled I(t). The curve begins at the point (0, 202), goes up and right becoming more steep, passes through the approximate point (3.5, 205.5), goes up and right becoming less steep, and ends at the approximate point (7, 208.7). The approximating curve shown on the figure is given by I(t) = −0.04t3 + 0.4t2 + 0.1t + 202 (0 ≤ t ≤ 7), where t is time in months since the start of December 2006. (a) Use the model to estimate the monthly inflation rate in January 2007 (t = 1). Recall that the inflation rate is I′(t) I(t) . (Round your answer to three decimal places.) (b) Was inflation slowing or speeding up in January 2007? slowing downspeeding up (c) When was inflation speeding up? When was inflation…
- Assume that the fire caused construction to slow down and caused a reduction in efficiency in completing the building. Estimate the number of labor hours needed to complete the building if there were no slow down related to the fire. Assume that the relationship that existed between HOURS and FLRCOM and FLRCOMSQ before the fire would have continued to exist to the completion of the building had the fire not occurred. Estimate the extra labor hours traceable to the fire.The Fast Track Ski Shoppe sells ski goggles during the four months of the ski season.Average demand follows: a. Calculate the deseasonalized sales and the seasonal index for each of the fourmonths.b. If next year’s demand is forecast at 1200 pairs of goggles, what will be the forecast sales for each month?The bar graph shows the number of fatal vehicle crashes per 100 million miles driven for drivers of various age groups.25-year-old drivers areinvolved in 4.1 fatal crashes per 100 million miles driven. Thus, when a group of 25-year-old Americans have driven a total of 100 million miles, approximately 4 have been in accidents in which someone died.The number of fatal vehicle crashes per 100 million miles, y, for drivers of age x can be modeled by the formulay = 0.013x2 - 1.19x + 28.24.Use the formula above and the bar graph.What age groups are expected to be involved in 10 fatal crashes per 100 million miles driven? How well does the formula model the trend in the actual data shown by the bar graph?
