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- Suppose a special type of small data processing firm is so specialized that some have difficulty making a profit in their first year of operation. what is the value of k?The amount (in millions of dollars) of used autos sold online in a certain country from 2011 to 2015 is given in the following table (x = 0 corresponds to 2011). Year, x 0 1 2 3 4 Sales, y 12.9 13.9 14.65 15.25 15.85 (a) Find an equation of the least-squares line for these data.y = (b) Use the result of part (a) to estimate the sales of used autos online in 2016, assuming that the predicted trend continued. (Round your answer to one decimal place.)$ millionThe manager of the purchasing department of a large banking organization would like to develop a model to predict the amount of time it takes to process invoices. Data are collected from a sample of 30 days with the following results: Relating time to invoices processed. Day Invoices Processed Completion Time (hours) Day Invoices Processed Completion Time (hours) 1 149 2.1 16 169 2.5 2 60 1.8 17 190 2.9 3 188 2.3 18 233 3.4 4 19 0.3 19 289 4.1 5 201 2.7 20 45 1.2 6 58 1.0 21 193 2.5 7 77 1.7 22 70 1.8 8 222…
- a. Fit a linear trend curve by the least-squares method to the following data and determine trend values and then estimate levels of production in 2010 and 2025. Year 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 Production (M Tons) 12 16 20 24 26 30 34 40 44 48 55 b. The amount of output (Kshs M) from a program supporting a youth empowerment project during 2017 to 2021 is shown in the following table Quarter Year I II III IV 2017 20 25 35 40 2018 25 30 45 50 2019 30 40 60 60 2020 40 45 65 80 2021 45 50 70 100 By using moving average of a suitable order, compute the trend values.The College Boards, which are administered each year to many thousands ofhigh school students, are scored so as to yield a mean of 500 and a standarddeviation of 100. These scores are close to being normally distributed. Whatpercentage of the scores can be expected to satisfy each condition?a. Greater than 650b. Greater than 750c. Less than 450d. Between 450 and 600e. What is the 90th percentile?Find out the next month after april income by using the forecasting method of the moving average method
- On average, a sample of n = 36 scores from a normal population with σ= 10 will provide a better estimate of the population mean than a researcher would get with a sample of n = 9 scores from a normal population with σ= 10.c) The Shelf life of a particular dairy product is normally distributed with a mean of 12 days and a variance of 9 days. About what percentage of the products last between 13 and 16 days