Case IT firm HelpTech offers technical support for corporate clients across the country. The number of billed hours (in th) in the past 4 years are presented below. Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2020 205 206 206 205 205 212 220 246 255 256 245 239 2019 194 197 191 193 193 202 209 214 210 206 199 199 2018 196 192 192 203 204 212 217 216 217 202 197 199 2017 186 187 166 175 187 213 225 209 209 216 206 198 Obtain the seasonal indexes for Jan '20 to Dec '20 using all 4 years. Select the index you obtained for Apr '20:
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- What is the total effect on the economy of a government tax rebate of $500 to each household in order to stimulate the economy if each household will spend of the rebate in goods and services?Day Rate 1 186 2 201 3 205 4 193 5 199 6 192 7 195 8 208 9 203 10 201 11 227 12 231 13 199 14 195 15 214 16 215 17 197 18 213 19 217 20 197 21 183 22 206 23 187 24 210 25 208 26 199 27 221 28 180 29 171 30 176You may need to use the appropriate appendix table or technology to answer this question. Suppose that a recent issue of a magazine reported that the average weekly earnings for workers who have not received a high school diploma is $494. Suppose you would like to determine if the average weekly for workers who have received a high school diploma is significantly greater than average weekly earnings for workers who have not received a high school diploma. Data providing the weekly pay for a sample of 50 workers are available in the file named WeeklyHSGradPay. These data are consistent with the findings reported in the article. Weekly Pay 687.73 543.15 789.45 442.26 684.85 661.43 478.3 629.62 486.95 786.47 652.15 652.82 669.81 641.13 577.24 845.68 541.59 553.36 743.25 468.61 821.71 757.82 657.34 506.95 744.93 553.2 827.92 663.85 685.9 637.25 530.54 515.85 588.77 506.62 720.84 503.01 583.18 7,980.24 465.55 593.12 605.33 701.56 491.86 763.4 711.19 631.73 605.89 828.37 477.81…
- stat 10.According to a los angeles times study of more than 1 million medical dispatches from2007 to 2012, the 911 response time for medical aid varies dramatically across LosAngeles (la times website, November 2012). Under national standards adopted by theLos Angeles Fire Department, rescuers are supposed to arrive within six minutes to almostall medical emergencies. But the times analysis found that in affluent hillside communities stretching from griffith Park to Pacific Palisades, firefighters failed to hit that marknearly 85% of the time.The following data show the response times, in minutes, for 10 emergency calls in thegriffith Park neighborhood.11.8 10.3 10.7 10.6 11.5 8.3 10.5 10.9 10.7 11.2Based on this sample of ten response times, compute the descriptive statistics in parts (a)and (b) and then answer the questions in parts (c) and (d):a. Mean, median, and modeb. Range and standard deviationc. Should the response time of 8.3 minutes be considered an outlier in comparison to theother…According to a los angeles times study of more than 1 million medical dispatches from2007 to 2012, the 911 response time for medical aid varies dramatically across LosAngeles (la times website, November 2012). Under national standards adopted by theLos Angeles Fire Department, rescuers are supposed to arrive within six minutes to almostall medical emergencies. But the times analysis found that in affluent hillside communities stretching from griffith Park to Pacific Palisades, firefighters failed to hit that marknearly 85% of the time.The following data show the response times, in minutes, for 10 emergency calls in thegriffith Park neighborhood.11.8 10.3 10.7 10.6 11.5 8.3 10.5 10.9 10.7 11.2Based on this sample of ten response times, compute the descriptive statistics in parts (a)and (b) and then answer the questions in parts (c) and (d):a. Mean, median, and modeb. Range and standard deviation
- According to a los angeles times study of more than 1 million medical dispatches from2007 to 2012, the 911 response time for medical aid varies dramatically across LosAngeles (la times website, November 2012). Under national standards adopted by theLos Angeles Fire Department, rescuers are supposed to arrive within six minutes to almostall medical emergencies. But the times analysis found that in affluent hillside communities stretching from griffith Park to Pacific Palisades, firefighters failed to hit that marknearly 85% of the time.The following data show the response times, in minutes, for 10 emergency calls in thegriffith Park neighborhood.11.8 10.3 10.7 10.6 11.5 8.3 10.5 10.9 10.7 11.2Based on this sample of ten response times, compute the descriptive statistics in parts (a)and (b) and then answer the questions in parts (c) and (d):a. Mean, median, and modeAccording to a los angeles times study of more than 1 million medical dispatches from2007 to 2012, the 911 response time for medical aid varies dramatically across LosAngeles (la times website, November 2012). Under national standards adopted by theLos Angeles Fire Department, rescuers are supposed to arrive within six minutes to almostall medical emergencies. But the times analysis found that in affluent hillside communities stretching from griffith Park to Pacific Palisades, firefighters failed to hit that marknearly 85% of the time.The following data show the response times, in minutes, for 10 emergency calls in thegriffith Park neighborhood.11.8 10.3 10.7 10.6 11.5 8.3 10.5 10.9 10.7 11.2Based on this sample of ten response times, compute the descriptive statistics in parts (a)and (b) and then answer the questions in parts (c) and (d):a. Mean, median, and modeb. Range and standard deviationc. Should the response time of 8.3 minutes be considered an outlier in comparison to theother…To the Internal Revenue Service, the reasonableness of total itemized deductions depends on the taxpayer's adjusted gross income. Large deductions, which include charity and medical deductions, are more reasonable for taxpayers with large adjusted gross incomes. If a taxpayer claims larger than average itemized deductions for a given level of income, the chances of an IRS audit are increased. Data (in thousands of dollars) on adjusted gross income and the average or reasonable amount of itemized deductions follow. Adjusted Gross Income($1,000s) Itemized Deductions($1,000s) 22 9.6 27 9.6 32 10.1 48 11.1 65 11.5 85 19.7 120 23.5 (a) Develop a scatter diagram for these data with adjusted gross income as the independent variable. A scatter diagram has 7 points plotted on it. The horizontal axis ranges from 0 to 140 and is labeled: Adjusted Gross Income ($1,000s). The vertical axis ranges from 0 to 30 and is labeled: Itemized Deductions ($1,000s). The points are…
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