Q1: The data in the following table are the mathematic degrees of 130 pupil Mathematic degrees 10-19 20-29 30-39 40-49 50-59 60-69 70-79 Pupils (fi) 2 5 11 25 31 27 17 Find the (1)Mean, (2)Median, (3) Mode, (4)S.D, (5) C.V% 80-89 7 90-99 5

Q: 3rd and 4th question please thank yo

A: The Linear Regression Model is given by: yi~N(βxi,σ2), i = 1,2,...n where y1,y2,....yn are…

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Q: Determine the computed value.

A: Here given frequency Table of each outcomes of rolling die 360 times  Here use chi square test

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A: Given that  Probability that event M occurs 0.68 Probability that event R occurs 0.42

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A: For the mentioned questions, We have to choose correct option.

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A: Hypotheses for the test are given below:

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A: Definition of Probability:  Probability=n(favourable outcome)/total(outcome)

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A: here use given table of outcomes and Basic probability  probability  = (no of favorable outcomes ) /…

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A: Given problem Given that   Let A, B be the events relative to the sample Space S. The shaded areas…

Q: f P(A) = 0.18, P(B) = 0.35 and P(A ∩ B) = 0.07, find the following: a. P(A ∪ B) b. P(A\B) c. P…

A: Given that  P(A) = 0.18,  ;  P(B) = 0.35  ; P(A ∩ B) = 0.07 ;    We know that By addition theorem…

Q: Suppose it is known that among all people who went trick-or-treating, 37.3% also visited a haunted…

A: It is given that n=160 and p=0.373.

Q: 1. The mean serum level measured in 12 patients twenty-four hours after they received a newly…

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A: The randomly selected card number is 3.

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Q: The average number of classic comic books sold per week at your store is 28. What is the probability…

A: Given : mean , μ= λ =(28*3)/7 =  12

Q: ①3) 3 1501000 What is the expected value of Y if the distribution of Y is given as: 20 1)-5 ① 21 0…

A: Y p ( Y) -5 0.4 0 0.3 10 0.1 20 0.2

Q: dar Standard Normal Table Z .00 .03 .04 .05 .06 .07 Z 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.8 0.9…

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Q: What is the expected value for the number of defective LCD

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Q: Find the mean of the following sets of data.

A:

Q: 24. The treatments and experimental units in the study are respectively. O A. carbon dioxide levels;…

A: Treatment is the measure that used to levels of treatments applied in the experimental unit.…

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Q: Which of the following is NOT a property of the chi-square distribution? Choose the correct answer…

A: It is needed to discuss about chi square distribution.

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A: “Since you have posted a question with multiple sub-parts, we will solve first two sub-parts for…

Q: Hypothesis Test It is conjectured that the proportion of all people who went trick-or-treating who…

A: Given data  n=sample size=270, x=162,p=0.62, level of significance ɑ=0.10 Hypothesis Ho: p=0.62 vs…

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A: From the provided information, Sample size (n) = 10 Level of significance (α) = 0.01

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A: The question is about correlation and regression Given :

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Q: 7.A Pearson's r correlation coefficient w/ a positive sign implies that:

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Q: How do a parameter and a statistic​ differ?       Question content area bottom Part 1 Choose the…

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A: The answer is attached below,

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A: Given n=32 Standard deviations=18.8 Mean=254.2

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Q: Problems 1. Consider a discrete random variable X with the following pmf: 1 Px(x) = x(x + 1) x =…

A: * ANSWER