If an independent variable is categorical le coded with 3 levels (A, B and C), how is this handled in a multiple linear regression model? Explain in detail. (Hint: 3-4 sentences should be enough) Use the editor to format your answer

Q: Seventy million pounds of trout are grown in the U.S. every year. Farm-raised trout contain an…

A: Let X be the Farm-raised trout contain an average (mean) of 32 grams of fat per pound, with a…

Q: A stream of data consists of four charact C, D with probabilities 0.1, 0.3, 0.2, 0.4, respectively.…

A: From given data we have  Probabilities 0.1,0.3,0.2,0.4

Q: Frequency 10 n = 8 6 4 2 180 182 184 186 188 190 192 194 amount of sugar (mg) What is the sample…

A: We have given that the amount of sugar ( in mg ) in each snack is summarized in the histogram.

Q: Engineers in a design department are assessed by their leader. A 'O' is 'Terrible' and a '5' is…

A: Given information: Score Number of staff 0 2 1 5 2 6 3 9 4 4 5 3 Sum 29

Q: A researcher wishes to determine if vitamin E supplements could increase cognitive ability among…

A: Given information: The mean and standard deviation of the test scores of 400 women who took vitamin…

Q: Suppose that the time required to complete a 1040R tax form is normal distributed with a mean of 100…

A: Let X denote the time required to complete a 1040R tax form. Given that X follows N(mean = 100, SD =…

Q: Suppose a survey conducted in 2012 asked a group of adults from a certain country whether they drink…

A: Since we know that population is defined as Population: In statistics, a population is entire pool…

Q: Many students did an exam, the mean was 15 and the standard deviation was 32 The highest mark was…

A: Given Mean μ=15, standard deviation σ=32  X=103

Q: Let A = the event of getting at least one defective calculator when four are randomly selected with…

A: Given:  Event A= getting atleast one defective calculator when 4 are randomly selected Then to write…

Q: Suppose that blood chloride concentration (mmol/L) has a normal distribution with mean 106 and…

A: Given: Population mean μ=106 Population standard deviation σ=2

Q: Consider the following data: Monthly Profit of a Gym Month Jan-12 Feb-12 Mar-12 Apr-12 May-12…

A: Given that, Monthly Profit of a Gym : Month Jan-12 Feb-12 Mar-12 Apr-12 May-12 Jun-12 Jul-12…

Q: The chickens at Colonel Thompson's Ranch have a mean weight of 1850 g, with a standard deviation of…

A:

Q: Nos 9-11: Find the value of d. Given a random variable X has the following probability distribution:…

A: Concept:Sum of all probability  in a distribution is always equal to 1

Q: for the binary system if the entropy =0.9710, so the probabilities are:

A:

Q: signment will assess your ability to calculate t andard deviation of a set of data. The weights o

A: Median is one of the measure of central tendency. Median shows middle value for given data set.…

Q: 7c

A: as you say i give only 7c answer

Q: Example 19. Three series with equal terms have means 6, 7, 8 and S.D.'s 1, 2, 3; Find combined mean…

A:

Q: TABLE 1.3 Per capita total expenditure on health (international dollars) Dollars Country Dollars…

A: Introduction: We need to obtain the stemplot for the data.

Q: The following crosstabulation summarizes the data for two categorical variables, x and y. The…

A:

Q: Year 2004 2005 2006 2007 2008 Consumer Credit 2210.5 2319.8 2415.0 2551.9 2592.1 Year 2009 2010 2011…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: he lifespan (L) of each of 2000 valves measured and given Calculate the pro that the lifespan of a…

A: The lifespan (L) of each of 2000 valves and their probability is given below: lifespan (hours)…

Q: (b) Find the mean and standard deviation of the population of all possible sample means when we…

A: (b) The population mean is 6 and population standard deviation is 2.24. The mean of the population…

Q: A company is conducting a survey to determine how prep people are for a long-term power outage,…

A: Given, Response  Frequency Very prepared  268 Some what prepared 965 Not too prepared 537…

Q: p.d.f. h(x) of the random variable x is defined by h(x)=3/(4(1-x²)),-1<x< expected value of x.…

A: Given pdf is, hx=341-x2, -1&lt;x&lt;1

Q: Find the equation of the line .that best fits, in the least squares sense, the data in the following…

A: Given data is  : We have to find Fit a line using least square sense

Q: 4. What is the mean of X, (X) and Y; (Y) respectively? 5. Choose the best set of parameters and…

A:

Q: suppose that 62% of all college seniors have a job prior to graduation. If a random sample of 45…

A: Obtain the approximate probability that at least 24 have a job prior to graduation. The approximate…

Q: Find the number of ways of arranging the letters of the words DANGER, so that no vowel occupies odd…

A:

Q: Which of the following scenarios are either not accounted for or measured inaccurately by either the…

A: Valid options are:  b) The value of babysitting services, when the babysitter is paid in cash and…

Q: Construct a 90% confidence interval of the population mean age for the college students in Example…

A: We have to find a...n , x̄, zc and E  b. Find the left and right endpoints of the confidence…

Q: which has a mean of 350 and a standard deviation of 50. His brother Kyle takes the Regional…

A: Given for Nathan Population mean μ=350, standard deviation=50  For Kyle Population mean μ=300,…

Q: In horse racing, a trifecta is a bet that the first three finishers in a race are selected, and they…

A: Since we know that when the ordering is important we will use the permutation and when ordering is…

Q: The following bivariate data set contains an outlier. (Round answers to three decimal places) X y…

A: Calculation of correlation coefficient.

Q: Suppose that a system generates a stream of upper case alphabetic characters and that the…

A:

Q: assessed by their leader. A '0' is 'Terrible a '5' is 'Outstanding'. The 29 members o

A: Given: Scores (x    ) frequency (f) 0 2 1 5 2 6 3 9 4 4 5 3   29

Q: If S = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}, and A = {0, 2, 4, 6, 8}, B = {1, 3, 5, 7, 9}, C = {4, 5, 6,…

A: Solution: Given information: S={0,1,2,3,4,5,6,7,8,9} A={0,2,4,6,8} B={1,3,5,7,9} C={4,5,6,7} D=…

Q: f (x) = kx^2, k constant, -1 = c) = 0.6 then what is the value of c= 0.5848? a. false b. true

A: Given : f(x)=kx2        -1≤x≤1

Q: Example 5. Calculate Combined Mean and S.D. Series A 200 25 3 ZIX N S.D. Series B 250 10 4 Series C…

A: Given information: NA=200NB=250NC=300σA=3σB=4σC=5XA=25XB=10XC=15

Q: 4. A company pays an average of Php 100.00 per hour with a standard deviation of Php 15.00. If the…

A: Note: If the question contains multiple subparts only allow to do first three subparts as per…

Q: If A and B are independent events and P(A)=0.25 and P(B)=-0.333, what is the probability P(ANB)?…

A: It is given that P(A) = 0.25, P(B) = 0.333

Q: 2. DETAILS ASWSBE14 9.E.057.MI. Need Help? Read It You may need to use the appropriate appendix…

A:

Q: Among 12 metal parts produced in a machine shop, 3 are defective. (a) If a random sample of three…

A: Given  Total number of metal parts =12 Number of defective =3 Number of non defectives =12-3=9

Q: Find median and mode of the messages received on 9 consecutive days 15, 11, 9, 5, 18, 4, 15, 13, 17.…

A: Median is the measure of central tendency. It divide the data set into two equal halves. It is the…

Q: Company A produces 10% defective products, Company B produces 20% defective products and C produces…

A: Hint: All three companies are equally likely to be selected, therefore their probability of getting…

Q: Calculate the class width of this data and construct a frequency distribution for this data set…

A: The objective is to calculate the class width of data and construct a frequency distribution for…

Q: The means of 6, 6, 6, 6, 6, 6 is 6 ? O a. False O b. True

A:

Q: Are the selections independent or dependent? OA. The selections are dependent, because the selection…

A: From given data we have: Total number of adults in the region = 15958886 Number of adults selected =…

Q: An anti-smoking campaign is being evaluated prior to its implementation in higher education…

A: We have to conduct paired t test.  Claim: The program effective based on this pilot data  Hypothesis…

Q: Year Discussion Questions 2. The following is the experience of Insurer A for the last three years:…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: Probability is the estimation of the chances of a certain event to occur, it is the branch of…

A: There are total n = 47 cards.