2) At a packaging workstation, an operator's job is to sort parts delivered on a conveyor belt into four bins. There are two existing layouts and the following tables provide the performance data of a well-traincd operator for each layout. Based on information processing theory determine which layout is better Layout #1 Bin 1 Bin 2 Bin 3 Bin Part 1 20 10 Part 2 2. 18 10 Part 3 5. 20 Part 4 21 9. Layout #2 Bin 2 Bin 3 Bin 4
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- 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.A survey about social media reported that 82% of B2B marketers (marketers that focus primarily on attracting businesses) plan to increase their use of social media, as compared to 55% of B2C marketers (marketers that primarily target consumers). The survey was based on 1,286 B2B marketers and 1,731 B2C marketers. The accompanying table summarizes the results. Complete parts (a) through (d) below. A. What is the probability that a randomly selected respondent is a B2C marketer? B. What is the probability that a randomly selected respondent plans to increase use of social media or is a B2C marketer? C. Explain the difference in the results in (a) and (b)Check whether the representation of pets in the population is different from: dog 41%, cat 33%, fish 10%, other 16%. α = 0.05. I am sending a screenshot with only one PART of the data in the attachment
- 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…A real estate agent wanted to find the relationship between sale price of houses and the size of the house. She collected data on two variables recorded in the following table for 15 houses in Seattle. The two variables are PRICE= Sale price of houses in thousands of dollars SIZE= Area of the entire house in square feet. PRICE 455 278 463 327 505 264 445 346 487 289 434 411 223 323 488 250 225 290 180 320 240 270 205 285 240 260 230 170 230 298 SIZE a) Using MICROSOFT EXCEL- run the above regression and copy the output into your assignment word document from which you can write down the least square regression line. Write down the least square regression line from that specific output. USE THE NAME OF VARIABLES WHEN YOU WRITE THE EQUATION. b) Interpret the slope and constant term with proper UNITS assigned. c) Comment on the explanatory power of the regression model from the required output. Copy that specific output into your assignment word document. Now to increase the explanatory…As suburban gardeners know, deer will eat almost anything green. In a study of pine seedlings at an environmental center in Ohio, researchers noted how deer damage varied with how much of the seedling was covered by thorny undergrowth. Deer Damage Thorny cover Yes No None 60 151 <1/3 76 158 1/3 to 2/3 44 177 >2/3 29 176 Data provided by Patricia Heithaus and the Department of Biology at Kenyon College. © Macmillan Learning What is the probability that a randomly selected seedling was damaged by deer? Give your answer to four decimal places. probability:
- 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…The variable with the largest positive Pj – Zj value is the a. artificial variable b. entering variable c. slack variable d leaving variableSeveral neurosurgeons want to determine whether a dynamic system reduced the number of acute postoperative days in the hospital relative to a static system. The table shows data the neurosurgeons collected. Complete parts (a) and (b) below. Click the icon to view the data table. a. Obtain dotplots for each of the two data sets, using the same scales. Choose the correct dotplot below. O A. 6 8 10 12 14 16 18 Acute Postoperative Days O B. il 46 8 10 12 14 16 18 Acute Postoperative Days b. Use the result from part (a) to compare the two data sets. OA. The number of acute postoperative days is, on average, less with the static system than with the dynamic system. However, the static system produces more variation in the number of days. B. The number of acute postoperative days is, on average, less with the static system than with the dynamic system. Also, the dynamic system produces more variation in the number of days. O C. The number of acute postoperative days is, on average, less with…
- An agronomist undertook an experiment to investigate the factors that potato harvest. In his research, agronomist decided to divide the farm into 30 half hectare plots and apply varies level of fertilizer. Potato was then planted and the harvest at the end of the season was recorded. Fertilizer(Kg) Harvest (tons) 210 43.5 220 40.0 230 48.0 240 65.0 250 80.0 260 85.0 270 95.0 280 80.0 290 97.3 1. Find the simple regression line and interpret the coefficients. 2. Find the coefficient of determination and interpret its value. 3. Does the model appear to be a useful tool in predicting the potato harvest? If so, predict the harvest when 250KG of fertilizer is applied. If not explain why not.An agronomist undertook an experiment to investigate the factors that potato harvest. In his research, agronomist decided to divide the farm into 30 half hectare plots and apply varies level of fertilizer. Potato was then planted and the harvest at the end of the season was recorded. Fertilizer(Kg) Harvest (tons) 210 43.5 220 40.0 230 48.0 240 65.0 250 80.0 260 85.0 270 95.0 280 80.0 290 97.3 Note: No excel ANOVA output allowed. Students need to show all the steps in calculations. You are required to; Find the simple regression line and interpret the coefficients. Find the coefficient of determination and interpret its value. Does the model appear to be a useful tool in predicting the potato harvest? If so, predict the harvest when 250KG of fertilizer is applied. If not explain why not.An agronomist undertook an experiment to investigate the factors that potato harvest. In his research, agronomist decided to divide the farm into 30 half hectare plots and apply varies level of fertilizer. Potato was then planted and the harvest at the end of the season was recorded. Fertilizer(Kg) Harvest (tons) 210 43.5 220 40.0 230 48.0 240 65.0 250 80.0 260 85.0 270 95.0 280 80.0 290 97.3 2. Find the coefficient of determination and interpret its value. 3. Does the model appear to be a useful tool in predicting the potato harvest? If so, predict the harvest when 250KG of fertilizer is applied. If not explain why not.
