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- Construct a stem-and-leaf display, given the following data from a sample of midterm exam scores in finance: 51 64 97 70 99 52 52 82 70 O Fill in the stem-and-leaf display below. 5 (Do not use a comma to separate answers.)Show calculations(Ch7) If the mean time between in-flight aircraft engine shutdowns is 12,500 operating hours, what is the 90 percentile on the distribution of the number of hours until the next shutdown? (hint: convert the mean time between events to the mean events per hour λ, then apply inverse exponential) Question 7Select one: a. 20,180 hours b. 18,724 hours c. 23,733 hours d. 28,782 hours
- Zeitler’s Department Stores sells its products online and through traditional brick-andmortarstores. The following parallel coordinates plot displays data from a sample of20 customers who purchased clothing from Zeitler’s either online or in-store. The datainclude variables for the customer’s age, annual income, and the distance from the customer’shome to the nearest Zeitler’s store. According to the parallel coordinates plot, howare online customers differentiated from in-store customers?Is there any graph that can support this answer?The table lists weights (pounds) and highway mileage amounts (mpg) for seven automobiles. Use the sample data to construct a scatterplot. Use the first variable for the x-axis. Based on the scatterplot, what do you conclude about a linear correlation? Weight (lb) Highway (mpg) Which scatterplot below shows the data? O A. 40- 20+ 2000 5000 2855 3050 3810 3985 4250 2275 3525 33 32 27 24 22 39 28 Weight (lb) Q Q O B. 40 20+ 2000 AHH 5000 Weight (lb) Q Q Is there a linear relationship between weight and highway mileage? O A. No, there appears to be a relationship, but it is not linear. O B. Yes, as the weight increases the highway mileage decreases. O C. Yes, as the weight increases the highway mileage increases. OD. No there appears to be no relationshin C O C. Q 40- M Q 20++ 2000 5000 Weight (lb) Highway ( O D. Highway (mpg) 40- 20+ 2000 5000 Weight (lb) Q
- Can you please answer (Question.4) below?Refer to the table below aw 1 Year 1950 1960 1970 1980 1990 2000 2010 2020 Participation Rates (Age 16 and Older) Men 864 83.3 79.7 77.4 76.4 74.7 71.2 69.2 Women 33.9 37.7 43.3 51.5 57.5 60.0 58.6 57.4 Instructions: Round your responses to one decimal place. If you are entering any negative numbers be sure to include a negative sign (-) in front of those numbers. Between 1980 and 2020, by how many percentage points did the labor force participation rate of a. men change? b. women change? T Q Search W OAccording to the following given information how to determine: 12 3 4 5 6 7 8 9 10 11 11 12 13 12 13 14 15 970 1,180 1,239 1,293 1,350 1,398 1,410 1,480 1,492 1,500 1,520 1,592 1,605 1,660 1,685 A) Break Even-point or points? B) How is to construct the relationship between entire variables through the simple drawing for all above figures and highlighting of Break Even point the drawing? C) Justify your final answer for each line of production. Production Times (months) product of (Z unit)