10:54 X Google Lens . . . espanol ingles SHOP-CLOREZ-NUMBERS IN X Course Hero + 435525/?question_id=44435525 8 . The following data is known for a certain company, referring to the volume of sales (in millions of pesetas) and spending on advertising (in thousands of pesetas) for the last 6 years: Sales volume (mill. Ptas) Advertising expenses (thousands of pesetas) 10 16 15 32 20 48 22 56 30 64 32 80 a); Is there a linear relationship between the company's sales and its advertising expenses? Reason the answer. b) Obtain the least quadratic regression lines c); What volume of sales of the company should you expect in a year that spends 60,000 pesetas on advertising? And for an advertising expense of 200,000 pesetas? d) If the only thing of interest was the evolution of the sales volume in terms of advertising expenses, without taking into account the specific amount of each of them, would there be an ordinal correlation between both variables? 9. Given the following data on the variables X and Y. where X-GDP per capita (in thousands of dollars) and Y-Natural rate of population growth. referred to 162 countries around the world. 25.C May Texto traducido - Enviar al inicio de Traductor T Seleccionar texto Te parecieron utiles estos resultados? si NO10:56 Course Hero ahora Someone commented on your question: Missing information: translation espanol ingles existria correla ordinal clone between both variables? 19 . Given the following data on the variables X and Y, where X = GDP per capita (in th and Y = Natural rate of population growth, referring to 162 countries around the w Zy = 2.886,4 Ey2=172,291.2 Ex = 978,9 Ex' = 17.569,9 Ixy = 8,938.4 a) Obtain the regression line that explains the natural rate of growth as a function country. b) Interpret the coefficients of the estimated line. c) Obtain a measure of the goodness of fit and rate if it is good. Texto traducido - Enviar al inicio de Traductor T Seleccionar texto Te parecieron utiles estos resultados? si NO