Find the mean, median, and mode of the following data: 12 16 15 12 16 Mean = 10 11 18 O Mean = 12, Median = 13.3, Mode = 12 O Mean = 13.3, Median = 12, No mode 13.3, Median = 12, Mode = 12 19 12 11 9 12

Q: When the sample size is 15 and you are doing a t test, the number of degrees of freedom is 15. True…

A: Given that  Sample size n =15 Degree of freedom =df =n-1

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A: Given data: Sample size = 100 Population mean = 165 Population standard deviation = 5.9

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A: Answer:

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Q: atistic, so these hyp value in Ho should a 2.H.S.² +5.² 2 S

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A: "Since you have posted a question with multiple subparts, we will solve the first three subparts for…

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A:

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A: Given: α = 0.05 Proportion of non defective P = 0.90 n = 121

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A: Given data is ,7, 3, 5, 6, 2, 8, 4sample size(n)=7

Q: Q4: The following data represent weights for 25 items construct a frequency distribution table: 15,…

A: It is given that the data in discrete form that represents the weight of 25 items.

Q: what is the most and least r

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A: Given: μ = 120 σ = 13 n = 36 Formula Used: Test-statistic Z = X-μσ

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Q: The sales manager of a real estate company collected information about the annual sales of his sales…

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A: Given Two dice are thrown simultaneously

Q: e -12.5 * 12.5³ 3! = 0.0012

A: Given that  Poisson probability density function  P(X=x) = e-λ*λx/x!     X=0,1....

Q: 3. What types of graphs you can draw for a Quantitative (Numerical) variable?

A: Given that  We have to define what type of graph we draw for Quantitative (Numerical) variable :

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A: Given that  Sample size (n)=201  Sample mean =7.72 hours  Sample standard deviation= 1.14 hours…

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A:

Q: Due to rounding, the total of the cumulative relative frequencies in the cumulative relative…

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Q: Exercise: 1. A couple plans to have children until they have exactly 3 boys. Suppose that the…

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A: Given that.   X~N( μ , ?^2 )   μ=11.8     , ?=3.1   Z-score =( x - μ )/?

Q: 2. Identify the kind of sample as simple random sample or convenience or stratified or cluster or…

A: We know that their are different sampling methods used in the different situations.

Q: Quastion10: a- Consider a random samp size a for Ho: 0200 ver

A: Answer:

Q: 2.32 Maternal age at childbirth. How old are women when they have their first child? Here is the…

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Q: Q3: The annual rainfall was measured in the Western Desert during a period of one year, and the…

A:

Q: Evaluate the following formula for x₁ = 27.9785, x₂ =25.5651, H₁-H₂ = 0, sp = 43.29, n₁ = 41, and n₂…

A: Givenx1=27.9785x2=25.5651sp=43.29n1=41n2=43μ1-μ2=0

Q: Sheet 2 (Home Size): In a given community, a survey was conducted to determine - whether there is…

A: The provided information is  x y xy x2 41.2 2.9 119.48 1697.44 68.3 3.5 239.05 4664.89 22.4…

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Q: (a) Construct the probability distribution function (PDF).

A: Given that X~ B(8,0.695). where n is 8, the probability of success is 0.695

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A: Given: Proportion  = 73 % Confidence level  = 80 %

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Q: urce Check here for instructional material to complete this problem. Evaluate E= Z P1.91 P2.92 n₁ n₂…

A:

Q: Derive the mean and variance of discrete uniform distribution. Show your complete solutions.

A:

Q: construct a frequency distribution table: 15, 9, 18, 10, 5, 8, 10, 7, 2, 15, 3, 5, 15, 10, 15, 9, 8,…

A: Data represent weights for 25 as follows…