cite three instances that will prove that experimental research is more accurate, and reliable.

Q: 1800 candidates appeared for an examination, 450 were successful, 340 had attended a coaching class ...

A: Given that  Number of candidates (N)=1800 450 were successful  340 attended Coaching classes Out of ...

Q: first yields (in kN) are as follows; 96 102 104 108 126 128 150 156 (a) Calculate the sample average...

A:

Q: Permutation or Combination? Selecting 5 members to form a group Five friends posing for a picture-t...

A: Three statements are given and objective is to find does it required combination or permutation.

Q: If the profit on a raffle ticket has an expected value of -$5, then the most likely outcome of purch...

A: Given that - If the profit on a raffle ticket has an expected value of -$5, then the most likely out...

Q: Present the above fact in the form of a frequency table and test, at 5% level, that opinions of Unde...

A: Here make table from given information  And given chi square critical 3.84 with df = 1  

Q: find the upper and lower outlier boundaries by referencing the given information.

A: Given data is2,1,7,2,2,19,18,6,4,9,4,20,1,2,1,3,2,33,4,2,23,10,15,100Arrange the data in ascending o...

Q: 1. Gary compared the total attendance, x, at home matches and the total number of goals, y, scored a...

A: Hi there! Thanks for posting the question. Since there are multiple questions we have solved the fir...

Q: Compute cocfficient of quartile deviation from the following data: 50 Marks 10 40 80 30 15 20 No. of...

A: Given The data is as follows: Marks No. of students 10 4 20 7 30 15 40 8 50 7 80 2

Q: -2.33 +2.95 0.0099, z = -2.33. For the area of 0.9901, z = 0.9901, z = +2.33. A right-tailed test wi...

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Q: A university plans to invest in a particular project. There is a 35% chance that the university will...

A: Given,35% chance that the university will lose 30,000 phpand 25% chance that the company will make 5...

Q: Example 7-26. Let {Xµ} be mutually independent and identically distributed random pariables with mea...

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Q: The difference between variable and random variable is ___________? A.Variable indicates integers an...

A: Difference between variable and random variable : Random variable indicates real numbers from random...

Q: ine number of car accidents per month in a certain town was as follows : 8, 20, 2, 14, 10, 15, 6, 9,...

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Q: Example 7-21. If the variable X, assumes the values 2P-2log v with probability 2-P; p = 1, 2, 3, ......

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Q: Present the following data of the percentage marks of 60 students in the form of a frequency table w...

A: Given data is

Q: Consider the regression mode, y = a + Bx + ɛ; where, E (ɛ | x) = 0, E(ɛx) = 0, Var (ɛ|x)= oʻ, and Va...

A: From the given information, y=α+βx+ε Eε|x=0Eεx=0Varε|x=σ2Varα+βx|x=0 a) Vary|x=Varα+βx+ε|x          ...

Q: If !, represents the members living at age X in a life table, find /, values of X 35. l20 = 512, İ30...

A:

Q: The Precision Machining Company makes hand-held tools on an assembly line that produces one product ...

A: Given: R=0.002 n=4 for n=4, A2=0.729 X 10.75 10.00 8.75 9.75 10.50 11.25 9.75 11.00 9 12.25

Q: In airline applications, failure of a component can result in catastrophe. As a result, many airline...

A: Given: The probability that a component fails = 0.0066 The failure of components are independent of ...

Q: Calculate the coefficient of concurrent deviation from the following: X : 60 55 50 56 30 70 40 35 80...

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Q: Q4. A researcher wanted to estimate the difference between the percentages of users of two brands of...

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Q: 1. The given figure is a stem-and-leaf display of the number of families per barangay who are recipi...

A: Mean is the average of all the observations in the data set. It is denoted as x¯ and defined as : x¯...

Q: . Adult men Stride length (meters) 2.5 3.0 3.3 3.5 3.8 4.0 4.2 4.5 Speed (meters per second) 3.4 4.9...

A: We have given that,  The data set is,  Stride length (X) :- 2.5, 3.0, 3.3, 3.5, 3.8, 4.0, 4.2, 4.5 S...

Q: 1. Compute the probability area to the left of z = -1.25

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Q: Estimate the profits for the year 1973 from the data given below. Year 1971 1972 1974 Profit (in mil...

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Q: Example 6. If the cost of making x units is C Rupees where c = 10 + 9x of units with marginal cost b...

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Q: Example 7-27. Let X1, X2, ..., X, be jointly normal with E (X;) = 0 and E(X?) = 1 for all i and Cov ...

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Q: Questions: 1. Give the null hypothesis in symbols. 2. Give the alternative hypothesis in symbols. 3....

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

Q: 3. Are the fomeming events indeponaent? Arswer kue or False'and ane a reasun. Ine first bab Don teda...

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Q: _17. 6 8 10 4 P(X) -0.6 0.2 0.7 1.5 18. 1 3 4 P(X) _19. 8 12 P(X) 2 3

A: As per guidelines expert have to answer first question three subparts only dear student please uploa...

Q: Write the sample space for the number of boys and the number of girls in a family with exactly three...

A:

Q: 4. Let ß be an n-dimensional random vector of zero mean and positive- definite covariance matrix Q. ...

A: Given that β be an n-dimensional random vector of zero mean and positive definite covariance matrix ...

Q: а- Find the maximum likelihood estimator (MLE) of p. b- Is the family of Beta distributions [Beta (a...

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Q: A real estate company is interested in testing whether, on average, families in Gotham have been liv...

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Q: 4) You are given the following data set: 11, 10, 9, 13, 11, 8, 3, Find the mode, median and mean. Wh...

A:  

Q: The subject has more freedom to respond to a/an ________. questionnaire survey interview experim...

A: A questionnaire is a series of questions used to collect information from respondents. Data are coll...

Q: Compute the least-squares regression line for predicting the diastolic pressure from the systolic pr...

A: The regression equation for one independent variable is,  

Q: Identify the well-known consistent estimators. A.Sample mean B.Sample variance C.Sample mean and sam...

A: Given Identify the well-known consistent estimators.A.Sample meanB.Sample varianceC.Sample mean and ...

Q: How large a sample is required to be 90% confident that our estimate of population mean is not off b...

A: Given  ɑ=0.10, σ,=0.20, MOE=0.03   

Q: is determined by the number of independent observations in a set of data.

A: here use basic definition of each term

Q: Which of the following is not a discrete random variable? A.The number of heads when we toss two coi...

A: Which of the following is not a discrete random variable? A.The number of heads when we toss two coi...

Q: 1800 candidates appeared for an examination, 450 were successful, 340 had attended a coaching class ...

A:

Q: For a hypothesis test comparing two Independent population means, the combined degrees of freedom ar...

A: given: hypothesis testing of comparison between two population mean  and population standard deviati...

Q: Account name b. Months in the calendar c. Average monthly savings d. Number of bank accounts e. None...

A: 1) Interval scale is a type of measurement scale where the order of the values and the difference be...

Q: There are three containers, A, B and C. Each container contains 25 balls, which are either red or bl...

A: Probability : The term "probability" merely refers to the chance of one thing occurring. we will con...

Q: 1. Which of the following is an example of continuous random variable? a. capacity of an auditorium ...

A: Given the three statements , we need to choose correct option from given multiple choices.

Q: 2. From a 100 sample population, the average IQ is 105 with a standard deviation of 15. A team of sc...

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Q: A distribution of values is normal with a mean of 246.2 and a standard deviation of 99.5. Find P78, ...

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Q: Extrapolate the business done in 2018 from the following data : 2014 2013 2015 2016 2017 Year : Busi...

A: Given the data of Businesses done from year 2013 to 2017. We need to predict the Businesses done in ...

Q: A report gives the following observed frequencies : N= 1,000, (A) =510, (B) = 490, (C) = 427, (AB) =...

A: