The number of employees, wages per employee and the variance of the wages per employee for two factories is given below: Factory A Factory B Number of employees 100 150 Average wages per employee per month 3200 2800 Variance of the wages per employee per month 625 729 In which factory is there greater variation in the distribution of wages per employee?

Q: Which of the following statements defines the 75th percentile value for a data sample?

A: here as per policy i have calculated first main question    here use definition of percentile 

Q: 4. If {X(t)} is a WSS process and if Y(t) = | h(u)X(t – u)du, then Ry,(T) = R„(T)* K(t), K(t) = h(t)...

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A: As per bartelby guideline expert have to answer first three subparts only dear student please upload...

Q: Attempt the following: (i) P(A) = 0.75, P(B) = 0.50 and P(A U B) = 0.87, are the events A and B inde...

A:

Q: Statistics: In a regression linear equation for one predictor and a dependent variable, in which of ...

A: Given that  In a regression linear equation for one predictor and a dependent variable, in which of ...

Q: What will be the mathematical and statistical model/ equation when

A: Here given , X is the dependent variable, and   Y is the independent variable     

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A: Given information: Consider the data that shows the amount of converted sugar at various temperature...

Q: Mary is playing a game where she flips a coin with probability of head = p. She wins $1 if the coins...

A: Below the handwritten solution.

Q: Assume that adults have IQ scores that are normally distributed with a mean of u= 100 and a standard...

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Q: A solution of a differential equation that is free of arbitrary parameters is called a/an solution.

A: Particular solution.   A solution of a differential equation that is free of arbitrary parameter is ...

Q: Which of the following distribution belongs to continuous distribution? A.The temperature at which a...

A: Which of the following distribution belongs to continuous distribution? A.The temperature at which a...

Q: It is 2075 and Stella, an amateur astronomer, recently was watching rocket launches on a Saturday an...

A: Note: As per our company guidelines we are supposed to answer only first three sub-parts. Kindly rep...

Q: In a previous election, the confidence interval for the proportion of likely voters who would vote f...

A: given;confidence interval for the proportion;(0.4401, 0.5199)i.e. (p^-E, p^+E)where  p^ : point esti...

Q: 7. Let X be the outcome of a fair die roll. Before you roll, you're offered either $100 or h(X) = 35...

A: X takes values 1, 2, 3, 4, 5, 6 with equal probability 1/6 Here h(x) = 350/x  h(x) takes values 350,...

Q: How do you  calculate q1= -0.5(-0.5q1+65)+65

A: First we simply the given equation,  Then Let's take the term q1 left side and other constants on ri...

Q: If two RVSX and Y are independent, find the pdf of Z=XY in terms of the density functions of X and Y...

A:

Q: 1a. The distribution of the mark scored by three candidate in a professional examination are 54, 24,...

A: 1a. Given The data is as follows: 54, 24, 36

Q: bgroup took a test in the morning, and the other took the same test in the afternoon. This table sho...

A: Solution: The result table of the test is    Pass  Fail  Total  Morning 28 47 75 Afternoon 53...

Q: Lesson 8 Q5 A ___________ is a useful tool to examine the relationship between categorical variables...

A: Degree of freedom is defined as the number of values that are free to vary in a analysis. A continge...

Q: 3) Calculate the mean, the median and the mode of each of the following data sets a. 2, 3, 4, 5, 7, ...

A: Mean = ΣXi/n Here sample size is n= 7 Mean = (2+3+4+5+7+7+7)/7 =35/7 = 5 Here 7 occurs highest times...

Q: Question 1. a) Consider an experiment which measures the value of three different vari- ables on a u...

A: Given Information:  The maximize T-statistic is given as:         T=a→Ty1¯→-a→Ty2¯→n1+n2n1n2a→TSpla→...

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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...

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A: Given The output from TI-84 Plus calculator for the least square regression line is as follows:

Q: 5) The data below shows the weight of 36 bags of flour 501 500 502 501 507 496 499 503 499 500 498 4...

A: To construct frequency distribution table, We arrange the data in ascending order so it would be eas...

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A: The experimental probability is also known as empirical probability. , it is based on the actual exp...

Q: The average time to run the 5K fun run is 21 minutes and the standard deviation is 2.7 minutes. 10 r...

A: As per guidelines expert have to answer first question only dear student please upload other questio...

Q: A sampling distribution of the means of all possible samples of size 200 is formed. The population h...

A:

Q: Joseph has taken two tests in his chemistry class. He scored 72 on the first test, for which the mea...

A: GivenFor first test:-x=72Mean(μ)=65standard deviation(σ)=8For second test:-x=60Mean(μ)=45standard de...

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: A veterinarian collects data about puppies in her practice. She makes a scatterplot with their age i...

A:  x = age in days  Mean 42  Standard Deviation 7 y = Weight in ounces Mean 25 Standard D...

Q: The amount of weight on an ACME tractor trailer is known to have a normal distribution with mean 9.5...

A: GivenMean(μ)=9.5standard deviation(σ)=0.5

Q: Two RVs X and Y have the joint characteristic function ø.y (@1, 02) exp (-2 w† – 8 ož). Show that X ...

A:

Q: A Social Security number consists of nine digits in a particular order, and repetition of digits is ...

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Q: Attempt the following: (i) P(A) = 0.75, P(B) = 0.50 and P(A U B) = 0.87, are the events A and B inde...

A: Given,P(A)=0.75 , P(B)=0.50 AND P(A∪B)=0.87

Q: Example 8-26. If a fair coin is tossed an even number 2n times, show that the probabiling 2n Fobtain...

A:

Q: Suppose I take a sample of 500 employed Baltimore City residents and ask them their commute time to ...

A: Note: As per our company guidelines, we are supposed to answer only the first question. Kindly repos...

Q: A box contains 5 balls. Two are numbered 3, one is numbered 4, and two are numbered 5. The balls are...

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Q: Solve the problem below, showing your work for each step by filling-in the blanks. Round all z-score...

A: Let X be the random variable from normal distribution with mean (μ) = 20.7 and standard deviation (σ...

Q: 2. Suppose there is a race between 9 friends. How many ways can the race be completed if John is fir...

A: Here use concept of total arrangement 

Q: Suppose that the daily viewing time is normally distributed with a mean of is 8.35 hours and a stand...

A: Determine the number of hours of television viewing must a household have in order to be in the top ...

Q: Among 22- to 27-year-olds, 37% say they have danced in public while under the influence of alcohol. ...

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Q: A) Which of the following experiments does NOT have equally likely outcomes? A- Choose a number at r...

A: Equally likely outcome : Equally likely outcome means all the outcome should have equal probability....

Q: Answer Given that p be an n-dimensional random vector of zero mean and positive definite covariance ...

A: Given Information: Consider β be an n-dimensional random vector of zero mean and positive definite c...

Q: which of the following statements is true if when using null hypothesis testing, our p value (in the...

A: Decision rule: If p-value is less than or equal to significance level, reject null hypothesis If p-v...

Q: Attempt the following: (i) P(A) = 0.75, P(B) = 0.50 and P(A U B) = 0.87, are the events A and B inde...

A: (i) P(A)=0.75,  P(B)=0.50 and P(A∪B)=0.87

Q: School administrators asked a group of students and teachers which of two school logo ideas, logo A ...

A: