The figure below plots a histogram of ages for Olympic athletes. What are ways that this plot couldbe improved: Mark all that apply.count20000-15000-10000-5000-0-202040age_of_athleteDo a scatter plot instead of a histogram to more effectively portray the informationChange X-axis labelAdd a titleCapitalize Y-axis label8060

Since the question is a multiple select question, we answer it option wise, checking which of the…

Answered: The figure below plots a histogram of…

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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The height (in inches) of a random sample of players in NCAA Division 1 basketball teams is shown to the left. x 75 80 75 87 77 77 67 83 77 80 73 82 73 71 80 76 72 78 68 74 74 72 76 86 77 77 78 9 Sum of squared deviations: ∑(x − x̅)² = _______. a 555.83 b 573.02 c 590.74 d 609.01
The table below shows a stem-and-leaf diagram for the test scores of students in Liberal Arts Math. Stems 56 78 7 9 Leaves 78 3478 034459 002257 56 How many students took the test? What is the lowest score on the test?
RDPct 13.5 8.4 10.5 9 9.2 9.7 6.6 10.6 10.1 7.1 8 7.9 6.8 9.5 8.1 13.5 9.9 6.9 7.5 11.1 8.2 8 7.7 7.4 6.5 9.5 8.2 6.9 7.2 8.2 9.6 7.2 8.8 11.3 8.5 9.4 10.5 6.9 6.5 7.5 7.1 13.2 7.7 5.9 5.2 5.6 11.7 6 7.8 6.5
Price P₁ P2 Ps PA MC ATC AVC If the short-run price is A) P1; break even Quantity , the perfectly competitive firm will B) P2; earn negative economic profit C) P3; earn positive economic profit D) P1; earn positive economic profit E) p4; break even
Forecast the average number of viewers during the 2009 season using a three-period weighted moving average with weights 3, 2, and 1, applying 3 to the most recent data and 1 to the oldest data.
Analyse the graph
The following table lists the number of daily visitors to the Web site of a new business during its first year. Month Number Month Number 1 2 3 4 5 6 5,400 5,372 5,265 5,250 5,289 5,350 7 8 9 10 11 12 5,600 5,520 5,280 5,400 5,448 5,500 a. Graph the data with a time-series plot using a vertical scale from 5,000 to 5,700.b. Graph the data with a time-series plot using a vertical scale from 4,000 to 7,000. c. Comment on the difference between these two time-series plots.
A random sample of 1-gallon cartons of milk is selected from the automatic filling machine. The contents are precisely measured. The measurements are shown to the right. The measurements are in ounces (1 gallon = 128 oz.) 127.46 129.83 129.51 129.75 128.45 127.34 129.18 127.29 127.28 128.46 127.7 130.87 128.04 125.76 127.77 126.72 127.58 128.5 127.37 128.08 127.51 127.66 129.78 128.42 126.35 126.34 128.53 128.48 15 The sum of the fill of the sample containers is, a 3586.01 b 3481.56 c 3380.16 d 3281.71
The Wall Street Journal’s website, www.wsj.com, reported the number of cars and light-duty trucks sold through October of 2014 and October of 2015. The top sixteen manufacturers are listed here. The sales information for all manufacturers can be accessed in a data file below. Sales data are often reported in this way to compare current sales to last year’s sales. Year-to-Date Sales Manufacturer Through October 2015 Through October 2014 General Motors Corp. 2,562,840 2,434,707 Ford Motor Company 2,178,587 2,065,612 Toyota Motor Sales USA Inc. 2,071,446 1,975,368 Chrysler 1,814,268 1,687,313 American Honda Motor Co Inc. 1,320,217 1,281,777 Nissan North America Inc. 1,238,535 1,166,389 Hyundai Motor America 638,195 607,539 Kia Motors America Inc. 526,024 489,711 Subaru of America Inc. 480,331 418,497 Volkswagen of America Inc. 294,602 301,187 Mercedes-Benz 301,915 281,728 BMW of North America Inc.…
Macmillan Learning Consider the CEO of a company that sells coffee at small free standing shops around the country. The Board of Directors is considering increasing the number of locations in an effort to increase total revenue, ceteris paribus. Use the data to determine if revenue is responsive to the number of locations. Use the midpoint method to calculate percentages. Number of locations Total revenue Calculate the percentage change in locations. 2012 3000 $60 million Calculate the percentage change in total revenue. Based on the CEO's analysis, he reports to the Board that total revenue is inelastic with respect to the number of locations. total revenue is unit elastic with respect to the number of locations. total revenue is elastic with respect to the number of locations. 2013 3750 $75 million percentage change in total revenue: percentage change in locations: % %
The following relative frequency distribution summarizes the ages of women who had a child in the last year. Ages 15 up to 20 20 up to 25 25 up to 30 30 up to 35 35 up to 40 40 up to 45 Relative Frequency 0.10 0.25 0.28 0.24 0.11 0.02 i. Write the values of the cumulative relative frequency distribution. ii. What percent of the women were at least 25 but less than 35 years old? iii. Assume the relative frequency distribution is based on a sample of 2,000 women. How many women were less than 30 years old?

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