... Statistics, Data Analysis, and Decision Modeling, 5e (Evans) Chapter Descriptive Statistics and Data Analysis 1) refers to a collection of quantitative measures and ways of describing data A) ... Numerical Data Learning Outcome: Compare and contrast methods of summarizing and describing data 61) The correlation coefficient is a number between A) and +1 B) -1 and C) -1 and +1 D) -2 and ... standard deviation of a set of data, assumed to be a population, is A) STDEV.S (data range) B) STAND.SNGL (data range) C) STDEV.P (data range) D) STAND.MULT (data range) Answer: C Diff: Blooms:
Ngày tải lên: 17/11/2017, 16:45
Microsoft Excel 2003 Data Analysis
... Excel’s Data Analysis Tools Excel includes a number of add-in tools to assist with a number of data handling, reporting and analysis functions Click on the worksheet tab labeled Data Analysis ... down and drag the fill handle to cell B21 and release it 34 Click on cell C7 35 Highlight cells C7 through C11 and position the cursor over the fill handle 36 Hold the RIGHT mouse key down and ... To so we must understand that in our data the X in Excel’s equation represents an incremental counter starting at one and ending at five for the five data points in our data The value of e (the
Ngày tải lên: 04/11/2022, 07:35
... dụng Data Validation Microsoft Excel 2013 Data Validation tính hiệu Microsoft Excel bạn cần chia sẻ bảng tính với nhiều người khác lại muốn giữ cho nội dung bảng tính thống Trong ô kích hoạt Data ... Data Validation cho toàn hàng, cột cho ô riêng lẻ Bài viết minh hoạ việc áp dụng cho tất liệu nhập vào cột B Sau chọn cột B, bạn nhấp vào thẻ Data menu Ribbon nhấn nút Data Validation nhóm Data ... XLStart theo đường dẫn: - Windows XP: C:\Documents and Settings\user name\Application Data\ Microsoft\Excel\XLStart - Windows Vista: C:\Users\user name\AppData\Local\Microsoft\Excel\XLStart - Windows
Ngày tải lên: 04/12/2015, 18:46
Business analytics data analysis and decision making 5th by wayne l winston chapter 01
... to a publicly accessible website, in whole or in Business Analytics: Data Analysis and Chapter Decision Making Introduction to Data Analysis and Decision Making Introduction (slide of 2) Living ... Three important themes run through this book: Data analysis? ??includes data description, data inference, and the search for relationships in data Decision making—includes optimization techniques ... in today’s business world is business analytics This term encompasses all of the types of analysis discussed in this book It also typically implies the analysis of very large data sets
Ngày tải lên: 10/08/2017, 10:35
Business analytics data analysis and decision making 5th by wayne l winston chapter 02
... There are four steps in data analysis: Recognize a problem that needs to be solved Gather data to help understand and then solve the problem Analyze the data Act on this analysis It is up to ... HyTex data Solution: Data set contains data on 1000 customers of HyTex, a fictional direct marketing company Designate the data set as a table by selecting any cell in the data set and clicking ... accessible website, in whole or in part Data Sets, Variables, and Observations A data set is usually a rectangular array of data, with variables in columns and observations in rows A variable
Ngày tải lên: 10/08/2017, 10:35
Business analytics data analysis and decision making 5th by wayne l winston chapter 03
... website, in whole or in Business Analytics: Data Analysis and Chapter Decision Making Finding Relationships among Variables Introduction The primary interest in data analysis is usually in relationships ... smoking and drinking Solution: Data set lists the smoking and drinking habits of 8761 adults Categories have been coded “N,” “O,” “H,” “S,” and “D” for “Non,” “Occasional,” “Heavy,” “Smoker,” and ... in part Stacked and Unstacked Formats There are two possible data formats, stacked and unstacked The data are stacked if there are two “long” variables, such as Gender and Salary The idea
Ngày tải lên: 10/08/2017, 10:35
Business analytics data analysis and decision making 5th by wayne l winston chapter 04
... in whole or in Business Analytics: Data Analysis and Chapter Decision Making Probability and Probability Distributions Introduction (slide of 3) A key aspect of solving real business problems ... Random numbers generated with Excel’s RAND function are said to be uniformly distributed between and because all decimal values between and are equally likely These uniformly distributed random ... different bottom-line results The key to simulating random variables is Excel’s RAND function, which generates a random number between and It has no arguments, so it is always entered: © 2015
Ngày tải lên: 10/08/2017, 10:35
Business analytics data analysis and decision making 5th by wayne l winston chapter 05
... posted to a publicly accessible website, in whole or in Business Analytics: Data Analysis and Chapter Decision Making Normal, Binomial, Poisson, and Exponential Distributions Introduction Several ... in part Standardizing: Z-Values The standard normal distribution has mean and standard deviation 1, so it is denoted by N(0,1) It is also referred to as the Z distribution To standardize ... Standardizing.xlsx Objective: To use Excel® to standardize annual returns of various mutual funds Solution: Data set includes the annual returns of 30 mutual funds Calculate the mean and
Ngày tải lên: 10/08/2017, 10:35
Business analytics data analysis and decision making 5th by wayne l winston chapter 06
... in part Sensitivity Analysis It is important, especially in real-world business problems, to accompany any decision analysis with a sensitivity analysis In sensitivity analysis, we systematically ... copied or duplicated, or posted to a publicly accessible website, in whole or in Business Analytics: Data Analysis and Chapter Decision Making Decision Making under Uncertainty Introduction A ... decision tree to find the best strategy for Acme, to perform a sensitivity analysis on the results, and to find EVSI and EVPI Solution: Acme must first decide whether to run a test market on
Ngày tải lên: 10/08/2017, 10:35
Business analytics data analysis and decision making 5th by wayne l winston chapter 07
... duplicated, or posted to a publicly accessible website, in whole or in Business Analytics: Data Analysis and Chapter Decision Making Sampling and Sampling Distributions Introduction In a typical statistical ... simple random sample of size 10 from this frame To this, first generate a column of random numbers in column F using the RAND function Then, sort the rows according to the random numbers and ... population distribution with mean μ and standard deviation σ, the sampling distribution of the sample mean X is approximately normal with mean μ and standard deviation σ/√n, and the approximation improves
Ngày tải lên: 10/08/2017, 10:35
Business analytics data analysis and decision making 5th by wayne l winston chapter 08
... which means that some type of random mechanism must generate the data Two random mechanisms are generally used: Random sampling from a larger population Randomized experiments Generally, ... confidence interval for the mean difference between husbands’ and wives’ ratings of sales presentations Solution: A random sample of husbands and wives are asked (separately) to rate the sales presentation ... central limit theorem is that the standardized quantity Z, as defined below, is approximately normal with mean and standard deviation 1: However, the population standard deviation σ is rarely known,
Ngày tải lên: 10/08/2017, 10:35
Microsoft Excel 2010 Data Analysis and Business Modeling phần 1 ppt
... 2010: Data Analysis and Business Modeling Sparklines Sparklines are small charts or graphs that fit in a single cell Sparklines let you place a g raphical summary of data next to the data Figure ... a complete discussion of data bars in Chapter 24, “Conditional Formatting.” Microsoft Excel 2010: Data Analysis and Business Modeling FIGURE 1-8 Examp e of Exce 2010 data bars Paste Special Live ... “COUNTIF, COUNTIFS, COUNT, COUNTA, and COUNTBLANK Functions.”) 33 34 Microsoft Excel 2010: Data Analysis and Business Modeling When no exact match exists and match type 0, Excel returns the...
Ngày tải lên: 12/08/2014, 12:21
Microsoft Excel 2010 Data Analysis and Business Modeling phần 3 doc
... the Data tab on the ribbon In the Data Tools group, click What-If Analysis, and then click Data Table Now fill in the Data Table dialog box as shown in Figure 17-3 FIGURE 17-3 Creat ng a data ... 17-4 130 Microsoft Excel 2010: Data Analysis and Business Modeling FIGURE 17-4 One way data tab e w th vary ng pr ces In the range D11:F11, profit, revenue, and variable cost are computed for ... vary two inputs (the amount borrowed and the annual interest rate) to the Excel PMT function and determine 132 Microsoft Excel 2010: Data Analysis and Business Modeling how the monthly payment varies...
Ngày tải lên: 12/08/2014, 12:21
Microsoft Excel 2010 Data Analysis and Business Modeling phần 6 pot
... each age group 366 Microsoft Excel 2010: Data Analysis and Business Modeling The data is included on the Data worksheet in the file Traveldata.xlsx, and a sample is shown in Figure 43-26 For ... lottery was random (Hint: Use the AVERAGE and MEDIAN functions to compute the mean and median lottery number for each month.) 348 Microsoft Excel 2010: Data Analysis and Business Modeling The ... 2010: Data Analysis and Business Modeling FIGURE 43-31 Use the Group And Show Deta command to group deta ed records Finally, let’s get a breakdown of average travel spending by age, for men and...
Ngày tải lên: 12/08/2014, 12:21
Microsoft Excel 2010 Data Analysis and Business Modeling phần 7 pps
... Excel 2010: Data Analysis and Business Modeling I know how to use the Data Analysis command to run a multiple regression Is there a way to run the regression without using this command and place ... +B3*(Units C produced) The Excel Data Analysis feature can find the equation for this form that best fits your data Click Data Analysis in the Analysis group on the Data tab, and then select Regression ... between the independent and dependent variables FIGURE 55-1 Non near re at onsh p between demand and pr ce 463 464 Microsoft Excel 2010: Data Analysis and Business Modeling What does it mean...
Ngày tải lên: 12/08/2014, 12:21
Microsoft Excel 2010 Data Analysis and Business Modeling phần 8 pdf
... percent and the standard error is reduced to 122 customers 506 Microsoft Excel 2010: Data Analysis and Business Modeling FIGURE 61-5 Forecast parameters and forecasts nc ud ng spr ng break and ... the data and analysis in the file Binomialexamples.xlsx, which is shown in Figure 63-1 FIGURE 63-1 Us ng the b nom a random var ab e 518 Microsoft Excel 2010: Data Analysis and Business Modeling ... variance, and standard deviation of a random variable? In Chapter 42, “Summarizing Data by Using Descriptive Statistics,” I discussed the mean, variance, and standard deviation for a data set...
Ngày tải lên: 12/08/2014, 12:21
Microsoft Excel 2010 Data Analysis and Business Modeling phần 10 ppsx
... Excel 2010: Data Analysis and Business Modeling FIGURE 80-1 Determ n ng the profit max m z ng pr ce for razors I associate the names in cell C6 and the range C9:C11 with cells D6 and D9:D11 Next, ... 654 Microsoft Excel 2010: Data Analysis and Business Modeling I have a sales database for a small makeup company that lists the salesperson, p roduct, units sold, and dollar amount for every ... array formulas I want the data summarized (using only array formulas) by company and by quarter as shown in Figure 83-13 664 Microsoft Excel 2010: Data Analysis and Business Modeling FIGURE 83-13 ...
Ngày tải lên: 12/08/2014, 12:21
Microsoft Excel 2010: Data Analysis and Business Modeling phần 1 pdf
... 2010: Data Analysis and Business Modeling Sparklines Sparklines are small charts or graphs that fit in a single cell Sparklines let you place a g raphical summary of data next to the data Figure ... a complete discussion of data bars in Chapter 24, “Conditional Formatting.” Microsoft Excel 2010: Data Analysis and Business Modeling FIGURE 1-8 Example of Excel 2010 data bars Paste Special ... lookup stops at 8/01/05 and returns the price in D3 26 Microsoft Excel 2010: Data Analysis and Business Modeling Problems The file Hr.xlsx gives employee ID codes, salaries, and years of experience...
Ngày tải lên: 14/08/2014, 08:23
Microsoft Excel 2010: Data Analysis and Business Modeling phần 2 pot
... Microsoft Excel 2010: Data Analysis and Business Modeling FIGURE 13-1 Examples of time formats How I enter a time and date in the same cell? Simply put a space after the date and enter the time ... one day and midnight of the next day 108 Microsoft Excel 2010: Data Analysis and Business Modeling How I extract the hour, minute, or second from a given time? The Excel HOUR, MINUTE, and SECOND ... payments and a constant interest rate The syntax of the PV function is PV(rate,#per,[pmt],[fv],[type]), where pmt, fv, and type are optional arguments 69 70 Microsoft Excel 2010: Data Analysis and Business...
Ngày tải lên: 14/08/2014, 08:23
Microsoft Excel 2010: Data Analysis and Business Modeling phần 3 ppsx
... the Data tab on the ribbon In the Data Tools group, click What-If Analysis, and then click Data Table Now fill in the Data Table dialog box as shown in Figure 17-3 FIGURE 17-3 Creating a data ... 17-4 130 Microsoft Excel 2010: Data Analysis and Business Modeling FIGURE 17-4 One-way data table with varying prices In the range D11:F11, profit, revenue, and variable cost are computed for ... vary two inputs (the amount borrowed and the annual interest rate) to the Excel PMT function and determine 132 Microsoft Excel 2010: Data Analysis and Business Modeling how the monthly payment varies...
Ngày tải lên: 14/08/2014, 08:23
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