Explain what is an outlier and how it may affect the data results of an investigation

Q: Out of 150 students of a college, 38 qualified for M.C.A., 41 qualifies for M.B.A. ad 38 qualified f...

A:

Q: Example 4.14 Consider the following two-parameter normal family 1 fx: 4, a) = -00 0 Find the consist...

A: At first consider the random sample of size n...............

Q: It has been claimed that 30% of students in a particular school dislike mathematics. When a survey w...

A: Given,n=600x=153p^=xnp^=153600=0.51α=0.5

Q: A random sample of 100,000 credit sales in a department store showed an average sale of $87.25. From...

A: Given,sample size(n)=100,000population standard deviation(σ)=$20.00mean(x¯)=$87.25

Q: Let X represent the number of tires with low air pressure on a randomly chosen car. The probability ...

A: mean(μ)=E(X)=∑X.P(X)

Q: life A sample of 100 dry battery cells tested to find the length he lollowing results X = 12 hours. ...

A: Given,mean(μ)=12standard deviation(σ)=3

Q: II. Find the sample mean, sample variance and sample standard deviation of the given data sets. 1.4 ...

A: As per our guidelines we are suppose to answer only one question. Given data is4, 7, 10, 13, 17, 21,...

Q: Given below is the monthly trend equation: Y = 130 + 1.8X [Origin : 1/7/2002/ X unit = one month and...

A:

Q: Estimate (i) the sales corresponding to advertising expenditure of. and (ii) the advertising expendi...

A: Here use regression line 

Q: (a)  What is the probability that there are exactly 2 defective phone batteries in the sample? (b) ...

A: Here AS PER POLICY I HAVE CALCULATED 3 SUBPARTS 

Q: There are 400 students in the first year class of an engineering college. The prob- ability that any...

A:

Q: For the following problems identify and correct any logical mistakes in the provided solutions. a) G...

A: Given the transition diagram of two Markov chains.

Q: Fit a linear least square regression equation of production rating o devises a manual dexterity test...

A: Solution is given amd i hope the solution is helpful for you. Introduction:

Q: 7. Many businesses have music piped into the work areas to improve the environment. At a company an ...

A: Given: Country Rock Classical 857 791 824 801 753 847 795 781 881 842 776 865

Q: The mean length of steel bolts from a manufacturing process is advertised as 15.1 mm. An inspector b...

A:

Q: 2.4-10. A certain type of mint has a label weight of 20.4 grams. Suppose that the probability is 0.9...

A:

Q: find the mean, variance and standard deviation.

A:

Q: ou wish to test the following claim (Ha) at a significance level of a = 0.01. For the context of thi...

A:

Q: Lower limit: Upper limit:

A: here given 15 sample data n=15 df =n-1 =14 t critical for 99% confidence level and df =14  t-critica...

Q: The time to fáilure (in hours) of a piece or equipment over (0, 1000) hours. (a) Determine the MTTF....

A:

Q: (Confidence interval for mean predicted value) For the data given estimate the mean weight of a cub ...

A:

Q: You work for the U.S. Food and Drug Administration. You have gotten word that a drug manufacturing i...

A:

Q: From the following data of age of employecs, calculate coefficient Example: of skewness and comment ...

A: Mean = ΣXi*fi/Σfi = (25*8+30*20+35*40+40*65+45*80+50*92+55*100)/(8+20+40+65+80+92+100) = 45.679 Here...

Q: Suppose the lengths of human pregnancies are normally distributed with u = 266 days and o = 16 days....

A: Given,mean(μ)=266standard deviation(σ)=16

Q: Let X1, ....X, be an ID sample from N(H, o) and Y,,.... Y, be an IID sample from N(u,, o3) and assum...

A: Given that X1, . . . , Xn be an IID sample from Nμ1,σ12 and Y1, . . . , Ym be an IID sample from Nμ2...

Q: Find the (a) mean, (b) median, (c) mode, (d) midrange for the data and then (e) answer the given que...

A: Mean: It is the sum of an observations divided by the total number of observations of the data set. ...

Q: Between the hours 2 pm and 4 pm, the average number of phone calls per minute coming into the switch...

A:

Q: 9. Samples of regular intervals. A normally distributed quality char- acteristic is measured and F a...

A:

Q: Mr. X. wants to determine on the basis of sample study the mean time required to complete a certain ...

A:

Q: Suppose the sediment density (g/cm) of a randomly selected specimen from a certain region is normall...

A: Given,sample size(n)=25mean(μ)=2.64standard deviation(σ)=0.80

Q: Following is the probability distribution of a random variable that represents the number of extracu...

A: Let, random variable X represents the number of extracurricular activities a college freshman partic...

Q: The number of traffic accidents at a certain intersection follows a Poisson distribution with A=2 pe...

A:

Q: (a) the expected number of engineers waiting to use one of the terminals and in the computing centre...

A:

Q: Find the probability that a man asked to form a two digit number out of 2, 3, 5, 7, 9 would form 79 ...

A: Solution is given,  Hope the solution is helpful

Q: Tolerance intervals bounds a selected proportion of a normal distribution with set confidence level ...

A: We have given that,  Tolerance intervals bounds a selected proportion of a normal distribution with ...

Q: (a) What is the n? (b) What is the p (use two places after the decimal)? (c) What is the q (use two ...

A: here given, In the Utah study, among participants who reported contact with a family member with kno...

Q: Using the TI-84 calculator, find the area under the standard normal curve that lies outside the inte...

A: The mean is 0 and the standard deviation is 1.

Q: 0.2340 4 19 0.9823 5 0.0177 1.0000 Total = 282 What is the relative frequency of direct hits that we...

A: We have given that the relative frequency table represents hurricanes that have made direct hits on ...

Q: If the sample size is large, the normal distribution could be used for the interval estimate of the ...

A: Here given,  sample size is large 

Q: 6. Following are the marks obtained by 10 students in a class in two tests : Students A B D E F G H ...

A: Solution is given: Hope the answer is helpful:

Q: Compute the correlation coefficient between the price of eggs and the price of milk.

A: Here , X = average price in dollars for dozens of eggs Y = average price in dollars for gallons of m...

Q: Use the median based method in the linear interpolation formula to estimate the 69.84 percentile for...

A:

Q: 6E.23 cise 6.65 de Oxide ness Wafer Thickness 16 58.4 17 51.0 18 41.2 19 47.1 20 45.7

A: *Answer:  *  

Q: Find the proportion of seniors whose GPA is between 4.7 and 5.1. The proportion of seniors whose GPA...

A: Here use given graph to answer the question  Here use property of density curve that is total area u...

Q: In a small town of 5,832 people, the mayor claims that there is a difference in the proportion of vo...

A: Confidence interval : The likelihood that a parameter can fall between 2 values round the mean is po...

Q: The data given below show the lives of 50 similar car batteries record d to the nearest tenth of a y...

A:

Q: (d) What is the 75th percentile of the distribution? (Round your answer to four decimal places.) (e)...

A:

Q: Using the General Social Survey of 2012, determine if there is sufficient evidence to infer that the...

A: In the given case we have the data about the number of hours spent by an American watching TV. The c...

Q: Government funding: The following table presents the budget (in millions of dollars) for selected or...

A: Solution-: We find the the least square regression line for predicting the 2012 budget from the 2006...

Q: Two researchs adopted different sampling techniques while investistigating the same group of student...

A: Given that -