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An understanding of statistics is necessary in any job. The use of statistics can help provide answers to many questions. Please, post a question you think that statistics may help you answer and explain why statistics can help provide an accurate answer.
To determine whether or not they have a certain desease, 80 people are to have their blood tested. However, rather than testing each individual separately, it has been decided first to group the people in groups of 10.
A scientist examined the effect of temperature and catalyst on the yield of a reaction. He ran the experiment at both 150° and 200°C with two types of catalyst.
If someone had x=2 job changes, what does the least squares line predict for y, the annual salary?
1.In a study of caffeine and stress, college students indicate how many cups of coffee they drink per day and their stress level on a scale of 1-10. The data appear below:
imagine you are a manager at a major bottling company. customers have begun to complain that the bottles of the brand
Find the probability of getting all sixes. Find the probability of getting all the same outcomes. Find the probability of getting all different outcomes. (Enter your answer as a fraction.)
find conditional density function fxe for the experiment of a number selected at random from the interval 01 given e
Suppose R is an orthogonal n×n matrix. If U is an n×1 vector of IID N(0, σ2) variables, show that RU is an n×1 vector of IID N(0, σ2) variables. Hint: what is E(RU)? cov(RU)? ("IID" is shorthand for "independent and identically distributed.")
Bob Nale is the owner of Nale's Quick Fill. Bob would like to estimate the mean number of gallons of gasoline sold to his customers.
(a) If F is the exponential distribution with rate λ, which, if any, of the processes {Xn}, {Yn} is a Markov chain? (b) If G is the exponential distribution with rate μ, which, if any, of the processes {Xn}, {Yn} is a Markov chain? (c) Give the trans..
Applying Historical Thinking: Explain Reagan's hope for the "trickle-down" effect. Did this happen? What is a current political conversation that relates to Reagan's policies?
When n = 2, how many distinct knapsack sets are there? Write them out in a canonical form with integral coefficients and 1 = [EQUATION4].
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