Listed are the net sales for a San Francisco-area mail-order retailer for the years 2009 to 2018. Year Sales (millions) $486.6 2009 2010 506.8 2011 522.2 2012 574.6 2013 580.7 2014 568.5 2015 581.9 2016 496.1 2017 456.6 2018 433.3

Q: Calculate the Seasonal Index from the following data using the average method : Year 1st Quarter 2nd…

A:

Q: The following chart shows "living wage" jobs in Rochester per 1000 working age adults over a 5 year…

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Q: The following chart shows "living wage" jobs in Rochester per 1000 working age adults over a 5 year…

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Q: n the table above, who had the highest average expenditure? who had the owest - eexpondituac?

A: Here  Expidenture of 4 different person is shown The last column shows the Avg Expedinture

Q: Find the percent of increase for the Chicago Cubs FCI from 2018 to 2019. Year Ticket Other Drink…

A: % increase for FCI = Total increment2018 value×100

Q: The president of State University wants to forecast student enrollments for this academic year based…

A: Given information: Given data represents the number of student enrolments for the years 1 to 5.

Q: The following chart shows "living wage" jobs in Rochester per 1000 working age adults over a 5 year…

A:

Q: Estimate the production for the years 2008 and 2010 with the help of the following table : Year…

A: We solve this question using least squares regression equation. First we find regression equation as…

Q: The following chart shows "living wage" jobs in Rochester per 1000 working age adults over a 5 year…

A:

Q: The monthly average sales (in dollars) of a grocery store in 2018 and 2019 were recorded: July 4608…

A: The average sales data is given for the years 2018 and 2019. The box plot, commonly known as the box…

Q: A famous Chinese restaurant would like to find out the change in demand on its dim-sum. After…

A:

Q: JOYFUL Fashion Company is reviewing the monthly sales in year 2021.The monthly sales (in millions)…

A: Joyful Fashion company's monthly sales for the year 2021: months sales Jan 2.2 Feb 2.5 Mar…

Q: Calculate the seasonal index for the following data by using the average method. Year 1st Quarter…

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Q: Here are selected entries from the 2014 tax table that show the federal income tax owed by those…

A: The given data is as follows: Taxable Income Tax 72,000 9896 72,200 9926 72,400 9956…

Q: The following chart shows "living wage" jobs in Rochester per 1000 working age adults over a 5 year…

A: Average rate of change is change in the output devided by change in input.

Q: Use this model to find the percent of prescriptions filled with generic drugs in each year from 2013…

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Q: Extrapolate the business done in 2018 from the following data : Year : 2013 2014 2015 2016 2017…

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Q: The Social Security Administration announced the following rates to explain what percent of your…

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Q: The following chart shows "living wage" jobs in Rochester per 1000 working age adults over a 5 year…

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Q: Find the percent of increase for the New England Patriots FCI from 2016 to 2017. Team Ticket Other…

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Q: The manager decides to use a three month moving average. What is the turnover forecast for month 6?

A: The simple moving average formula is, Simple Moving Average=A1+A2+⋯+Ann The turnover forecast for…

Q: The following chart shows monthly figures for Apple stock in 2010.t 350 A 317.13 317.44 300 - 294.07…

A: The solution for the above question is as shown below.

Q: To convert the original earnings of Casper, Nicklaus, and Kite, use the formula for converting…

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Q: Calculate the 60th percentle of the data shown 美 4.2 7.7 8.6 13.7 15.1 17.9 20.1 20.3 20.4 21.5 24.2…

A: Since, you have asked multiple question, we will solve the first question for you. If you want any…

Q: Estimate the production for the years 1955 and 1965 with the help of the following table Year 1940…

A: Here, we have Year Production (000 tonnes)   1940 200 y0 1945 220 y1 1950 260 y2 1955 ?…

Q: The following chart shows "living wage" jobs in Rochester per 1000 working age adults over a 5 year…

A:

Q: For a certain company, the monthly percentages of all shipments received on time over the past 12…

A: b) Three month moving average:

Q: Historical Stock and Dividend Data for Boeing Date Price Dividend Date Price Dividend 1/2/2008…

A: Return from January 2 ,2008 to January 2, 2009

Q: The following chart shows student population in a certain elementary school over a 5 year period.…

A: We know that: The average rate of change function is defined as the average rate at which one…

Q: Find out the next month after april income by using the forecasting method  of the moving average…

A: The given data set is:

Q: The following chart shows "living wage" jobs in Tucson per 1000 working age adults over a 5 year…

A: Solve the following

Q: Consider the following data: Monthly Profit of a Gym Month Jan-12 Feb-12 Mar-12 Apr-12 May-12…

A: Given that, Monthly Profit of a Gym : Month Jan-12 Feb-12 Mar-12 Apr-12 May-12 Jun-12 Jul-12…

Q: Complete the table. Ages Number of students Cumulative Frequency 15-18 4 19-22 4 23-26…

A: Cumulative frequency : Cumulative frequency is found by adding up all successive frequencies in a…

Q: The following chart shows "living wage" jobs in Rochester per 1000 working age adults over a 5 year…

A: Remark: The average rate of change between two input values is the total change of the function…

Q: The following chart shows "living wage" jobs in Rochester per 1000 working age adults over a5 year…

A:

Q: The percentage of buyers who paid between $14,000 and $22,000 is %.

A: Let , X→N(μ=18000 , σ=2000) By  using 68-95-99.7 rule ,  We want to find the P(14000<X<22000)…

Q: Estimate the following percentages without using a calculator. 10.1% of 7,800 is  0.99% of 83,583…

A: Percentage= (value ×percent)/100

Q: This table shows the U.S. federal income tax rates from 2013. (Source: Internal Revenue Service)…

A: we have given tax rate with respect to income group with status of person and we have to find amount…

Q: The median home value in lowa and Kentucky (adjusted for inflation) are shown below. Year lowa…

A: Year Iowa Kentucky 1950 38300 32000 2000 82500 86700

Q: Find the percent of increase for the Carolina Panthers from 2017 to 2018. Year Ticket Other Drink…

A:

Q: The following chart shows "living wage" jobs in Rochester per 1000 working age adults over a 5 year…

A: Given:    Formula Used:   Over the time period t∈[a,b], The average rate of change of f(t) =…

Q: From the following data construct an index for 2016 taking 2017 as base : Commodity Price in 2016…

A: Here from the table we will find index number. We will consider 2017 as a base year.

Q: Calculate the 3 yearly and 5 yearly moving averages for the following time series :

A: here use 3 yearly and 5 yearly moving average formula for 3 year moving average Ft = At-3 +At-2…

Q: The median seasonal quarterly sales index of an IT company in Dublin from 2010 to 2013 is as…

A: Given Data : The seasonal index is represented in percentage Sum of all the Median values  = 90.456…

Q: The following chart shows "living wage" jobs in Rochester per 1000 working age adults over a 5 year…

A: Average rate of change is given by:

Q: he average consumer unit spent $1874 on apparel and services in2006.That same year, 25 consumer…

A: Given,  μ0=1874n=25α=0.05 The hypothesis to be tested here is: H0:μ=1874H1:μ≠1874 This is a…

Q: A sales manager wants to forecast monthly sales for the company's products using the following…

A: A company manager intended to forecast the monthly sales and six months sales are given as below:…

Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.