3. Learn by doing (page 68): In this data, X = annual cigarette consumption per capitain the U.S. and Y = lung cancersper 100,000. To investigate theconnection between cigaretteconsumption and lung cancers, thedata is offset by 30 years sincecancer takes time to develop. Forexample, cigarette consumption inciaarettes and cancerScatter Plot:graph of lung cancer rates and cigarette consumption706050403020-32003400360038004000420044004600(per_capita)(000001 1ad) A 1945 is paired with cancer rates for 1975. The cigarette consumption data is from1945 to 1975 in 5-year increments. There is a strong positive linear associationbetween annual cigarette consumption and lung cancer rates. The correlation is0.81. If we use the line to make predictions of the number of lung cancer deaths per100,000 people, which of the following is an example of extrapolation?a. Predict Y when cigarette consumption is 3,500 cigarettes per person.b. Predict Y when cigarette consumption is 3,800 cigarettes per person.c. Predict Y when cigarette consumption is 4,600 cigarettes per person.

Answered: 3. Learn by doing (page 68): In this…

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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15.16 The 2008 and 2012 presidential elections. Democrat Barack Obama was elected president in 2008 and 2012. Figure 15.6 plots the percentage who voted for Obama in 2008 and 2012 for each of the 50 states and the District of Columbia. a. Describe in words the direction, form, and strength of the relationship between the percentage of votes for Obama in 2008 and the percentage in 2012. Are there any unusual features in the plot?
A company has the following monthly sales for the past year. Plot the data points on a line graph and describe the results. Month Sales 1 145 2 146 3 145 4 150 5 148 6 150 7 156 8 160 9 158 10 153 11 152 12 154
Does this graph have trends and/or seasonality? What forecasting method is suitable for this data?
Example 31. Plot Less than Ogive and More than Ogive for the following data: Cost of production 4 - 6 6 - 8 8 – 10 10 – 12 12 – 14 14 – 16 | No. of farms 13 111 182 105 19
1. Given the data attached, please fill in BOTH blanks: The slope increases from 3,330 to ____ dollars/carat and the intercept decreases from -140 to ____ dollars.
26 14 30 45 20 21 27 32 40 Age of residents in a neighbourhood 50 9 37 40 36 13 52 10 35 12 36 57 28 51 47 48 42 42 52 1 53 Create a box-and-whisker plot for the data. If you use technology copy and paste the graph into your solutions document. If you prepare it by hand use a ruler and take a clear, well-lit photograph or scan and insert it as an image into your document.
Question 3 Refer to the stack plot below. The vertical scale is the proportion of sales. (a) Describe the proportion of sales for puzzle games between 1985 and 2015. (b) Which genre(s) increased in proportion of sales between 2010 and 2015? (c) Which genre had the largest proportion of sales in 1985? Video Games by Year and Genre: 1980-2016 1.0- 0.9- Genre 0.8 Action Advente Fighting Misc Platform Puzzle 0.7- 0.6- 0.5- Racing Role-Play Shooter Simulation 0.4- 0.3 0.2- Sports Strategy 0.1- 0.0- 1980 1985 1990 1995 2000 2005 2010 2015 O True O False
am. 13.
The below data represent the advertising expenditure and sales of Little Liu Ltd from year 2008 to 2017. Table: Advertising Expenditure vs. Sales from 2008 to 2017 Year Advert. Expenditure Sales (x, £000) (y, £000) 2008 8 30 2009 12 40 2010 11 29 2011 5 29 2012 14 43 2013 3 17 2014 6 20 2015 8 30 2016 4 22 2017 9 40 Total 80 300 Figure: Scatter Diagram of Advertising Expenditure and Sales with Trend line ( See picture) What is the statistical relationship shown in the Figure and list out 3 characteristics of this relationship? 2. Work out the values of parameters of the relationship shown in the Figure (i.e. work out the equation of the relationship). 3.Explain the relationship and make recommendations to Little Liu Ltd based on the information given.
Question is in pic
ructure.com Question 2 A data set reports the car mileage for 150 student cars. The median car mileage is 45,000 miles; Qu = 92,000 miles and Q = 35,000 miles. Which of the following car mileages are outliers with respect to a box-plot of this data set? I. 175,000 miles II. 180,000 miles II. 185,000 miles O Il only O Il and IlI only O All of the Above O Ill only O None of the Above • Previous Next No new data to savo

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