1. How does the cost of shipping a standard-sized crate relate to the distanceof the destination? Can the cost of shipping be determined using thedistance of the destination? To answer these questions, a PhilippineAirlines statistician used 12 freight invoices randomly drawn andsummarized below.Charge(in pesos)Distance(hundred ofkilometers)1414002391720008001600162019006201440900180021007501022512616258(c) Plot the regression line on the scatter diagram.

Answered: Image /qna-images/answer/91498fec-0a50-48e7-9f62-8b5698125b83.jpg

Answered: 1. How does the cost of shipping 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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Consider the bar graph below, which shows average milk prices in four different cities in the United States. What is wrong with this graph? What poor conclusion(s) could be drawn by someone who isn't familiar reading this kind of graph? What could be done to better represent this data? Outrageous Milk Prices in Philadelphia 5.00 4.50 4.00 3.50 Philadelphia Sacramento Oklahoma Indianapolis City Milk Price (dollars/gallon)
Answer this question in R. Show as much of your work as possible.
Cost-to-charge ratios (the percentage of the amount billed that represents the actual cost) for 11 Oregon hospitals of similar size were reported separately for inpatient and outpatient services. The data are shown in the following table. Cost-to-charge ratio Hospital Inpatient Outpatient Blue Mountain 79 63 Curry General 75 67 Good Shepherd 76 62 Grande Ronde 63 50 Harney District 101 53 Lake District 101 74 Pioneer 87 64 St. Anthony 65 57 St. Elizabeth 51 44 Tillamook 55 49 Wallowa Memorial 82 72 (a) Does there appear to be a strong linear relationship between the cost-to-charge ratio for inpatient and outpatient services? Justify your answer based on the value of the correlation coefficient and examination of a scatterplot of the data. (Round your answer to four decimal places.) Based on the correlation coefficient value of and the scatterplot, there is relationship between the cost-to-charge ratio for inpatient and outpatient services.…
Which of the following could most be considered an ordinal variable? a. Height (ft) b. Weight (kg) c. Body mass index (kg/m2) d. Education level e. Annual Income ($)
How many variables are in plot 1?
I. The Department of Agriculture obtained the following data representing the one week growth in centimeters of 30 newly planted corn plants.
A fast-food restaurant chain with 700 outlets in the United States has recorded the geographic location of its restaurants in the accompanying table of percentages. One restaurant is to be chosen at random from the 700 to test market a new chicken sandwich. NE SE SW NW Population of City <10,000 1% 6% 3% 0% 10,000-100,000 15% 10% 12% 5% >100,000 20% 4% 4% 20% What is the probability that the restaurant is located in a city with a population over 100,000, given that it is located in the southwestern United States?
Describe how each of the following variables can be measured using the nominal, ordinal, interval, or ratio scale of measurement: 1. Nutritional status 2. Anemia status 3. Educational attainment
A congressperson wants to come up with a single value to describe the prices of homes in their district. However, their district consists of a few homes that are extremely expensive compared to the others. Which descriptive statistic should they use? a. Range b. Mode c. Median d. Mean
i. Trying to predict weekly sales with a standard error of estimate of $1,955, we would conclude that 68 percent of the predictions would not be off more than $1,955, 95 percent would not be off by more $3,910, and 99.7 percent would not be off by more than $5,865.ii. The smaller the sample, the smaller the possible error as measured by the standard error of estimate.i. ut of Approximately 95% of the values lie within two standard errors of the regression line. Select one: a. (i), (ii), and (iii) are all correct statements. b. (i) and (ii) are correct statements but not (iii). c. (ii) and (iii) are correct statements but not (i). d. (i), (ii), and (iii) are all false statements. e. (i) and (iii) are correct statements but not (ii). 14
What unit of analysis is reflected: "There is a relationship between unemployment rates and crime rates in a city such that cities with lower unemployment rates experience less crime."
A store manager, using his data for the past four years, presents his sales using a bar graph. Under what branch of Statistics does this belong? a) Descriptive statistics c) Qualitative data b) Inferential statistics d) Quantitative data

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