(a)An automotive company is interested in identifying on how their car price depreciates.A researcher from the company took a sample of ten cars of their first model andcollected the following information on the ages (in years) and prices (in hundreds ofringgit) of cars. The data were recorded as in Table Q2(a).Table Q2(a): Relationship between ages and price of carsAgePrice101532257959.3322305134112224532104166(i)Construct a scatter diagram for the data as in Table Q2(a).

Answered: Image /qna-images/answer/1c2f2f45-8f2d-4a60-ba4f-7b426ca9ed3b.jpg

Answered: (a) An automotive company is interested…

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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Five students taking a Business Statistics module at MANCOSA were asked to provide an example of a variable they have encountered in their day-to-day life. Their responses are as follows: Student Lungani Nsika Thembekile Mduduzi Variable The body temperature of a patient diagnosed with COVID-19 The price of a technology company stock on the NASDAQ The age of his bull mastiff The number of female students in Mduduzi's Python class Which student's provided a continuous true zero variable? A. Lungani B. Lungani and Nsika C. Nsika D. Thembekile and Mduduzi
What is the median of the following data set? {:[32","6","21","10","8","11","12","36","17","16","15","18","40","24","21","23","24","24","29","16","32","31","10","30","35","32","18],[39","12","20]:} Identify the mode for the following data set:
COMMUNICATION 1) Explain why the following statements are false: a) The value of every observation in a set of data is taken into account when calculating mean. b) The standard deviation is expressed without units. c) Quartiles and percentiles are different measures because they are calculated differently. d) For grouped data, the measures of spread are just as accurate as with raw data. f) The interquartile range includes the upper 25% and lower 25% of the data. g) A z-score indicates how far the standard deviation lies from the mean.
Consider the following data representing the price of plasma televisions (in dollars). 1260, 1355, 1156, 1297, 1054, 1225, 1375, 1244, 1281, 1138, 1368, 1075, 1373, 1126, 1067, 1285, 1119, 1209, 1150, 1208, 1284 Class 1034-1093 1094-1153 1154-1213 1214-1273 1274-1333 1334-1393 Frequency Price of Plasma Televisions (in Dollars) Class Boundaries Midpoint Relative Frequency Copy Data Cumulative Frequency Step 6 of 7: Calculate the relative frequency of the third class. Determine your answer as a simplified fraction.
(e) Test the hypothesis Ho : B1 = 10 versus H1 :ß, # 10 using a = 0.01. Ho and conclude the slope v 10 at a = 0.01. (d) Test the hypothesis Ho : Bo = 0 versus H1 : Bo + 0 using a = 0.01. Ho and conclude that the intercept be included in the model.
Consider the following data set: i X 1 -4 23410 5 -2 0 2 4 Y₁ -10.672 -6.428 -2.242 1.946 7.596
Light Conditions Weather Daylight Dark, but Lighted Dark Dawn/Dusk Other Normal 14,307 5875 8151 1183 65 Rain 875 497 681 87 8 Snow/Sleet 219 51 156 17 2 Other 125 54 220 40 9 Unknown 810 255 548 71 133
The data set shown below contains the number of hurricanes that occurred each year over a 14-year period. Some scientists claim that there has been an increase in the number of hurricanes as the years progressed. Complete parts (a) through (d). Year 10 11 12 13 140 # 3 4. 2 1 a) Create a histogram of these data. Choose the correct histogram below. OA. OB. Oc. OD. # of Hurricanes # of Hurricanes # of Hurricanes # of Hurricanes b) Describe the distribution. Is the distribution uniform, unimodal, or bimodal? O A. The distribution is uniform. O B. The distribution is bimodal. O C. The distribution is unimodal. Is the distribution symmetric or skewed?
The table to the right shows data found at a government census website, under a "Did You Know" panel. What type of data source is the information presented here based on? Private Sector Total Employment in a State All 2008 Q2 2009 Q2 Change Female 537,290 517,948 −3.6% Male 504,214 477,491 −5.3% Retail Trade Female 168,942 146,473 −13.3% Male 162,502 144,302 −11.2% Question content area bottom Part 1 Choose the correct answer below. A. The information is the outcome of an experiment that was conducted. B. The information is the result of an observational study that was conducted. C. The information is the result of a survey that was conducted. D. The information is collected via ongoing business activities. E. The information is distributed by an organization or individual.
Hospitals In a study of births in New York State, data were collected from four hospitals coded as follows: (1) Albany Medical Center; (1438) Bellevue Hospital Center; (66) Olean General Hospital; (413) Strong Memorial Hospital. Does it make sense to calculate the average (mean) of the numbers 1, 1438, 66, and 413?
The following data provides the monthly streaming bill for a random sample of 20 households along with the number of televisions in the household (TV), the number of people living in the household (People). and the number of years that household has been a streaming customer (Years). Calculate the adjusted multiple coefficient of determination for predicting the streaming bill. Place the answer in decimal points.
The questions below are based on a dataset containing the characteristics of 5,407households. In particular, we will use the following variables:- size: home size, measured in square feet.- hhinc: annual household net income, measured in euros.- owner: dummy variable equal to 1 if the living space is owned, and 0 if the livingspace is rented.- hhsize1: dummy variable equal to 1 if the number of household’s members is 1 or2, and 0 otherwise.- hhsize2: dummy variable equal to 1 if the number of household’s members is 3 or4, and 0 otherwise.- hhsize3: dummy variable equal to 1 if the number of household’s members is 5 orabove 5, and 0 otherwise.- edu: education level of household’s members. We conduct a simple regression of size on hhinc, now using robust standard errors.The regression output is reported in Table 2. Why are the estimated coefficients inTable 2 equal to the estimated coefficients in Table 1? Do the conclusions on thestatistical significance at 5% of the coefficient of…

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