DAT 640 Practical R Activity Eight

Create a side-by-side boxplot for vitamin D level vs. NewAge and a side- by-side boxplot for vitamin D level vs. country. Create a scatterplot to show the relationship between vitamin D level and Age. Compare these two side-by-side boxplots and the scatterplot and explain your findings. • Note: Write appropriate captions for the tables, graphs, and outputs.

Now monitor the process. An additional ten days of data have been collected, see table labeled “1st 10 Days of Monitoring Reservation Processing Time” in the Data File. Develop Xbar and R charts for the 1st 10 days of monitoring. Plot the data for the 1st 10 days on the Xbar and R charts. Is the process in control? If the control chart indicates an out-of-control process, note which days, the pattern, and whether it is the Xbar or R chart.   Based on the X-bar and R Charts that you developed for the 1st 10 days of data, is the process in control?   Group of answer choices No. The X-bar and R Charts are both out of control. No. The X-bar Chart is in control, but the R Chart is out of control. No. The R Chart is in control, but the X-bar Chart is out of control. Yes. The X-bar and R Charts are both in control.

Write a report of the different research design with exceptional  of experimental research  design.

Sleep Late, a large hotel chain, has been using activity-based costing to determine the cost of a night’s stay at their hotels. One of the activities, “Inspection,” occurs after a customer has checked out of a hotel room. Sleep Late inspects every 10th room and has been using “number of rooms inspected” as the cost driver for inspection costs. A significant component of inspection costs is the cost of the supplies used in each inspection Mary Adams, the chief inspector, is wondering whether inspection labor-hours might be a better cost driver for inspection costs. Mary gathers information for weekly inspection costs, rooms inspected, and inspection labor-hours as follows: Q.Plot the data and regression line for rooms inspected and inspection costs. Plot the data and regression line for inspection labor-hours and inspection costs. Which cost driver of inspection costs would you choose? Explain.

The Excel file for this assignment contains a database with information about the tax assessment value assigned to medical office buildings in a city. The following is a list of the variables in the database: FloorArea: square feet of floor space Offices: number of offices in the building Entrances: number of customer entrances Age: age of the building (years) AssessedValue: tax assessment value (thousands of dollars) Use the data to construct a model that predicts the tax assessment value assigned to medical office buildings with specific characteristics. Construct a scatter plot in Excel with FloorArea as the independent variable and AssessmentValue as the dependent variable. Insert the bivariate linear regression equation and r^2 in your graph. Do you observe a linear relationship between the 2 variables? Use Excel’s Analysis ToolPak to conduct a regression analysis of FloorArea and AssessmentValue. Is FloorArea a significant predictor of AssessmentValue? Construct a scatter plot…

Briefly describe the methods of collecting primary data

The r code for side by side boxplot of vitamind v newage and vitamin d v country. Scatterplot code for relationship between vitamin d level and age.

Recently, management at Oak Tree Golf Course received a few complaints about the condition of the greens. Several players complained that the greens are too fast. Rather than react to the comments of just a few, the Golf Association conducted a survey of 100 male and 100 female golfers. The survey results are summarized here. Excel File: data02-31.xlsx Male Golfers Green Condition Gender Too Fast Male Handicap Under 15 15 or more 25 25 a. Complete the crosstabulation shown below. Green Condition Female Too Fast 10 Fine Fine 40 Female Golfers Total Green Condition Handicap Under 15 15 or more Too Fast 1 Fine 9 39 51 Total Which group shows the highest percentage saying that the greens are too fast? - Select your answer - b. Refer to the initial crosstabulations. For those players with low handicaps (better players), which group (male or female) shows the highest percentage saying the greens are too fast? For the low handicappers, the - Select your answer - have a higher percentage who…

On a cold day in Minneapolis, the afternoon temperature was 48 degrees before a cold front moved through. As the front moved through the temperature dropped an average of 5 degrees per hour for a total of 5 hours. 14 2/1 Identify the domain of the data set.

Recently, management at Oak Tree Golf Course received a few complaints about the condition of the greens. Several players complained that the greens are too fast. Rather than react to the comments of just a few, the Golf Association conducted a survey of 100 male and 100 female golfers. The survey results are summarized here. Excel File: data02-31.xlsx Male Golfers Male Green Condition Handicap Under 15 15 or more 25 25 a. Complete the crosstabulation shown below. Green Condition Gender Too Fast Fine Female 35 40 Too Fast 10 65 60 Fine 40 Total 100 100 Female Golfers 200 Green Condition Handicap Under 15 15 or more Too Fast 1 Note: This exercise is an example of Simpson's Paradox. 39 Fine 9 Total 75 125 Which group shows the highest percentage saying that the greens are too fast? Females, at 40% b. Refer to the initial crosstabulations. For those players with low handicaps (better players), which group (male or female) shows the highest percentage saying the greens are too fast? For…

Just need help with part 3, thank you!

Please help me

(Please do not give solution in image format thanku)

A survey about social media reported that 79% of B2B marketers (marketers that focus primarily on attracting businesses) plan to increase their use of social media, as compared to 54% of B2C marketers (marketers that primarily target consumers). The survey was based on 1,333 B2B marketers and 1,669 B2C marketers. The accompanying table summarizes the results. Complete parts (a) through (d) below. A Click the icon to view the contingency table about social media use and marketers. Contingency table a. What is the probability that a randomly selected respondent plans to increase use of social media? (Round to three decimal places as needed.) Increase Use of Social Media? Business Focus B2B B2C Total b. What is the probability that a randomly selected respondent is a B2C marketer? Yes 1,049 901 1,950 (Round to three decimal places as needed.) No 284 768 1,052 Total 1,333 1,669 3,002 c. What is the probability that a randomly selected respondent plans to increase use of social media or is…

tion 2 of 15 Last summer, the Smith family drove through seven different states and visited various popular landmarks. The prices of gasoline in dollars per gallon varied from state to state and are listed below. $2.34, $2.75, $2.48, $3.58, $2.87, $2.53, $3.31 Click to download the data in your preferred format. CrunchIt! CSV Excel JMP Mac Text Minitab PC Text R SPSS TI Calc Calculate the range of the price of gas. Give your solution to the nearest cent. range: dollars per gallon DELL & 4. 7 8.

The Minister responsible for Trade and Industry has assigned you the task of evaluating the improvement in productivity ofmanufacturing businesses in South Africa. Data for one of the businesses you are to evaluate is provided. The data are themonthly average of last year and the monthly average for this year. Determine the percentage change in multi-factorproductivity between the two years.Labor: R8 per hourCapital: 0.83% per month of investmentEnergy: R0.60 per BTU

Excel Exercise Week 5 Chapter 7 workbook. Please upload your answers as an excel file with properly labeled answers. Please answer in excel only. Data are collected in a clinical trial evaluating a new compound designed to improve wound healing in trauma patients. The new compound is compared against a placebo after treatment for 5 days with the new compound or placebo, the extent of wound healing is measured and the data are shown in table 7-6. Is there a difference in the extent of wound healing by treatment? (hint: are treatment and the percent wound healing independent?) Run the appropriate test at a 5% level of significance. Percent Wound Healing Treatment                0-25%           26-50%             31-75%               76-100% New Compound (N=125) 15          37                     32                        41 Placebo(N=125)                  36          45                     34                         10 Table 7-6

What is meant by strategic mapping, and why is this technique especially useful in healthcare strategic planning?

The exercise involving data in this and subsequent sections were designed to be solved using Excel. Johnson Filtration, Inc. provides maintenance service for water-filtration systems. Suppose that in addition to information on the number of months since the machine was serviced and whether a mechanical or an electrical repair was necessary, the managers obtained a list showing which repairperson performed the service. The revised data follow. Repair Time(hours) Months SinceLast Service Type ofRepair Repairperson 2.9 2 electrical Dave Newton 3.0 6 mechanical Dave Newton 4.8 8 electrical Bob Jones 1.8 3 mechanical Dave Newton 2.9 2 electrical Dave Newton 4.9 7 electrical Bob Jones 4.2 9 mechanical Bob Jones 4.8 8 mechanical Bob Jones 4.4 4 electrical Bob Jones 4.5 6 electrical Dave Newton Ignore for now the months since the last maintenance service (x1 ) and the repairperson…

The graph below shows response curves for three drugs, A, B, and C. The horizontal axis is dosage, and the vertical axis is response. (Note: The horizontal green line on the graph marks the minimum desired response level. The horizontal red line on the graph marks the maximum safe response level.) eb1c07da-7833-3e6e-9020-d2aae79d619a_90a3... A webwork.uits.iu.edu/webwork2_files/tmp/FA21-BL-MATH-M1... (a) Which drug requires the largest dose for the desired response? 10 (Enter A, B, or С.) The smallest dose? (Enter A, B, or C.) (b) Which drug has the largest maximum response? Нах B A (Enter A, B, or С.) Hin The smallest? 1,0 -1 10 (Enter A, B, or С.) -1 (c) Assuming (as your textbook does) that drugs with broader ranges of safe and reliable dosages are safer to administer, which of these drugs is the safest to administer? (Enter A, B, or C.)

Please do not give solution in image formate thanku.

help B and C

A group of people at the park were asked their ages, and the results can be downloaded from the data file Ages.   In StatKey, which menu option would you select under "Descriptive Statistics and Graphs" to graph the data?     One Quantitative     One Categorical     One Quantitative and One Categorical     A group of people at the park were asked their ages, and the results can be downloaded from the data file Ages.   Summarize this data by creating a histogram with StatKey, and submit your graph as a PDF.  When creating your graph, please make sure the number of buckets is set to 10.

Please *Find the equation of the least-squares regression line that models the data. *Graph the data and the regression line in the same viewing window using the parameters given below the graph choices. Choose the correct graph below. *Estimate the tuition and fees in 2005.

Identify several types of manufacturing companies for which process costing would be an appropriate product-costing system. What characteristics do the products of these companies have that would make process costing a good choice? How is process costing similar and different in a second or later processing department?

Read this same passage.  And fill the boxes that what are number of rows and columns when the last question is given.

please answer quickly

Please help!! From these following topics in CANADA, choose one of the 3, and formulate a research question, in which you could analyze the data. Sawn wood: Sawn wood, production, deliveries and stocks by species Weather: Weather data for Hamilton January 2020 Basketball - The Raptors: Statistics with the players

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Not use ai please

please do with rstudio and provide all the codes.