Linear Modeling1. Some phone apps measure the number of steps taken during a period of time. John downloaded anapp that reported data in a table like this:TimeStepsSteps takentaken(minutes)600400020240025300042003000352000100010203040Minutes(a) What are the variables of the problem? Identify independent and/or dependent variables of theproblem if any.(b) Use the information from the table to graph the number of steps that John has taken over time.Connect the points on your graph. Does this curve or is it a line?(c) Explain why the graph tells you that John is walking at a constant pace.МacВook AirDIIDD80F10F9F6F7F8F5F2F3F4&232$3456.789.ERYUFHJKL.* 00

Given that, Some phone apps measure the number of steps taken during a period of time. John…

Answered: 1. Some phone apps measure the number…

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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a) Find the equation of the line which is the best fit for the data, with x equal to the number of years after 1999 and y equal to the millions of people b) Ise the model to estimate the number of people who took trips in 2008.
On its maiden voyage in 1912, the RMS Titanic struck an iceberg and sank in less than three hours. The table shows survival statistics. Survivors Deceased Women and Children 11 Women and Total Category First Class Second Class Third Class Children Men Men 145 54 119 329 285 24 119 142 417 15 104 105 710 69 214 706 685 1517 899 Crew Total 2223 Source: Statistics of Passengers Rescued and Lost, White Star Momentos 1. Create a graph that lawyers could use to help families of the affected passengers. Explain what type of graph you chose and why. 2. The cruise line released a statement with the headline, "Hundreds of Lives Saved in Titanic Mishap." Create a graph or highlight some data that the cruise line could use to justify this headline. 3. Reflect How do the graphs from steps 1 and 2 show that the way in which you represent information can change people's perceptions? 4. Extend Your Understanding Search the Internet for some examples of data displays that are accurate but misrepresent…
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.
Make a scatterplot of the untransformed data and tell which kind ofrelationship the points seem to follow. Also name the best type oftransformation needed to "straighten" the plot.Note: Part of the transformation shouId involve subtracting 1900 from the year soyou're working with more manageable numbers.Now try some transformations to get the data as close to linear as possible.(Use your calculator to transform the data, and try scatterplots of the differenttransformations). Then find the regression line, r, and r2.Tell which transformation worked the best and back it up by showing:• A scatterplot of the transformed data with the least-squares regression equation andline, r, and r-squared.• A plot of the original data with the regression equation converted to a non-linearequation
What type of graph would you use to depict the relationship between: Is the number of days in the Intensive Care Unit(ICU LOS) related to gender? If ICU LOS were two different variables and one was coded as categorical and the other as continuous, would you use the same graph to depict the relationship between the variables? For example: 1. # of days in ICU(as a continuous variable) and gender.. 2. # of days in ICU(as a categorical variable) and gender. Would you use the same graph for numbers 1 and 2? Which graphs would you choose?
I need expert advice please especially with the graph. The table below shows monthly data collected on production costs and on the number of units produced over a twelve month period. Month Total Production Costs Level of Activity(Units Produced) July $230,000 3,500August 250,000 3,750September 260,000 3,800October 220,000 3,400November 340,000 5,800December 330,000 5,500January 200,000 2,900February 210,000 3,300March 240,000…
part (B)
Find the equation of the line which best fits the data points (2;1) , (4;4), (5;1),(6;3).

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