The marketing manager for a nationally franchised lawn service company would like tostudy the characteristics that differentiate home owners who do and do not have alawn service. A random sample of 30 home owners located in a suburban area near alarge city was selected; 11 did not have a lawn service (code 0) and 19 had a lawnservice (code 1). Additional information available concerning these 30 home ownersincludes family income (Income, in thousands of dollars) and lawn size (Lawn Size, inthousands of square feet).The PHStat output is given below:Binary Logistic Regression.PredictorInterceptIncomeLawn SizeDevianceCoefficients SE CoefZ-7.8562 3.8224-2.05530.0304 0.0133 2.28971.2804 0.69711.836825.3089C)p-Value0.03980.02200.0662Which of the following is the correct interpretation for the Income slope coefficient?A)Holding constant the effect of lawn size, the estimated natural logarithm ofthe odds ratio of purchasing a lawn service increases by 0.0304 for eachincrease of one thousand dollars in family income.B)Holding constant the effect of lawn size, the estimated probability ofpurchasing a lawn service increases by 0.0304 for each increase of onethousand dollars in family income.Holding constant the effect of lawn size, the estimated number of lawnservices purchased increases by 0.0304 for each increase of one thousanddollars in family income.Holding constant the effect of lawn size, the estimated average number ofD)lawn services purchased increases by 0.0304 for each increase of onethousand dollars in family income.

If the size of the lawn stays the same, the predicted average number of lawn services will rise by…

Answered: The marketing manager for a nationally…

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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Please Help. Your politician friend wants to do a survey to find out the impact of a tax on wealth held by households in her community. You remember that the survey could be misleading if it interviews only 100 randomly-selected households. Why might this be?
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In order to compare the real estate markets in Pittsburgh and Philadelphia, a realtor selected a random sample of 150 homes in the Pittsburgh area and 100 homes in the Philadelphia area. Shown below are dotplots showing the distribution of home price for the homes in these two cities.
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A director of research for a radio company conducted a survey of listener preferences and collected information on demographics as well as preferred music. When reviewing the results, he discarded all responses in which a non-Hispanic listener chose Spanish-language music as the favorite genre. Is this an acceptable practice in statistics? Why or why not? Please use terminology associated with statistical practices to explain your answer.
A nationwide job recruiting firm wants to compare the annual incomes for childcare workers in New York and Illinois. Due to recent trends in the childcare industry, the firm suspects that the that the mean annual income of childcare workers in the state of New York is greater than the mean annual income of childcare workers in Illinois. To see if this is true, the firm selected a random sample of 15 childcare workers from New York and an independent random sample of 15 childcare workers from Illinois and asked them to report their mean annual income. The data obtained were as follows. Annual income in dollars New York 49378, 44459, 50396, 48428, 53720, 60711, 50900, 49846, 57630, 49813, 52923, 60662, 50060, 45923, 45433 Illinois 47959, 51289, 46467, 42758, 46502, 48032, 40452, 40702, 45428, 33593, 44348, 45763, 54745, 46015, 37396 Send data to calculator Send data to Excel The population standard deviations for the annual incomes of childcare workers in New York and in Illinois are…
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The personality characteristics of business leaders (e.g., CEOS) are related to the operations of the businesses that they lead (Oreg & Berson, 2018). Traits like openness to experience are related to positive financial outcomes and other traits are related to negative financial outcomes for their businesses. Suppose that a board of directors is interested in evaluating the personality of their leadership. Among a sample of n = 16 managers, the sample mean of the openness to experiences dimension of personality was M = 4.50. Assuming that u = 4.24 and o = 1.05 (Cobb-Clark & Schurer, 2012), use a two-tailed hypothesis test with a = .05 to test the hypothesis that this company's business leaders' openness to experience is different from the population. Standard Normal Distribution Mean - 0.0 Standard Deviation 1.0 .7198 .1401 .1401 -3.0 -2.0 -1.0 0.0 1.0 2.0 3.0 -1.08 1.08 Step 1. Ho: ; H;: a = .05. Step 2. The critical region consists of Step 3. For these data the standard error is and…
In 1993 approximately 62.1 million Americans suffered injuries, as reported by the National Center for Health Statistics in Vital and Health Statistics. More males (33.4 million) were injured than females (28.7 million). Those statistics do not tell us whether males and females tend to be injured in similar circumstances. One set of categories commonly used for accident circumstances. One set of categories commonly used for accident circumstance is "while at work," "home", "motor vehicle", and "other". A random sample of accident reports gave the data in contingency table below. Male Female While at work 19 24 27 Home 14 Motor Vehicle 26 Other At the 5% significance level, do the data provide sufficient evidence to conclude that an association exists between accident circumstances and sex? Type in Canvas the grand total. 35

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