2. | Ecology: Habitat Wetlands offer a diversity of benefits. They provihabitat for wildlife, spawning grounds for U.S. commercial fish, andrenewable timber resources. In the last 200 years, the United States has lostmore than half its wetlands. Environmental Almanac gives the percentage ofwetlands lost in each state in the last 200 years. For the lower 48 states, thepercentage loss of wetlands per state is as follows:503559738142363746315674395638272452873528305494691274950598572902335674989508746604838Make a stem-and-leaf display of these data. Be sure to indicate the scale.How are the percentages distributed? Is the distribution skewed? Are thereany gaps?33

Stem-and-leaf plot:A graphical representation of the quantitative data in which each data entry is…

Answered: 2. | Ecology: Habitat Wetlands offer a…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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B/ Add the midpoint of each class, the relative frequency, percentage frequency, and the cumulative frequency to previous frequency table Class 5-9 10-14 15-19 20-24 25-29 frequency 10 3 1
Each year forbes ranks the world’s most valuable brands. A portion of the data for 82 ofthe brands in the 2013 forbes list is shown in Table 2.12 (forbes website, february, 2014).The data set includes the following variables:brand: The name of the brand.Industry: The type of industry associated with the brand, labeled Automotive& Luxury, Consumer Packaged Goods, financial Services, Other, Technology.brand Value ($ billions): A measure of the brand’s value in billions of dollarsdeveloped by forbes based on a variety of financial information about the brand.1-Yr Value Change (%): The percentage change in the value of the brand over theprevious year.brand Revenue ($ billions): The total revenue in billions of dollars for the brand.a. Prepare a crosstabulation of the data on Industry (rows) and brand Value ($ billions).Use classes of 0–10, 10–20, 20–30, 30–40, 40–50, and 50–60 for brand Value($ billions).b. Prepare a frequency distribution for the data on Industry.
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Christine is a sales manager for a car rental company. She has a scatterplot with data regarding the years of experience of sales representatives and percent of satisfied customers. What information would the scatterplot below indicate? Select all that apply. 100 90 80 70 50 40 30 20 10 1 3 5 6 7 Years of Experience of Salesperson O Satisfaction rate is the independent variable. O Satisfaction rate is the dependent variable. O Years of experience is the independent variable. O Years of experience is the dependent variable. O Christine should consider customer satisfaction training for her more novice representatives. O There is a positive correlation between years of experience and customer satisfaction. O There is a negative correlation between years of experience and customer satisfaction. O There is no correlation between years of experience and customer satisfaction. Percent of Satisfied Customers
,,,,,,,,,,
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