Let S={a,b.c} be our sample such that S is unimodal with the mean equals to 10. If the highest values of S is unique and equals to 16, then the standard deviation of S is equal to O 5.2 27 39 O 6.2

Q: Suppose that we take a random sample of size n from a population having a mean (m) and standard…

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Q: Assume we know that for a population of N- 10 scores the standard deviation is s = 2. Therefore, the…

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Q: Given are 4 observations for the annual salaries (in 1000s) for a group of marketing majors. Annual…

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Q: Suppose x has a distribution with ? = 80 and ? = 8. Find P(76 ≤ x ≤ 81). (Round your answer to four…

A: Given problem Given that   Mean = 80 Standard deviation = 8  P( 76 ≤ x ≤ 81 ) = ?

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A: Formulae :

Q: Suppose x has a distribution with ? = 17 and ? = 16. (a) If a random sample of size n = 43 is…

A: X is a random  variable  mean=17 standard deviation=16 We know that Z=x- mean/standard deviation z…

Q: Suppose x has a distribution with ? = 15 and ? = 9. (a) If a random sample of size n = 35 is drawn,…

A: Given Information:  Mean (u) = 15  Standard deviation (s) = 9

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Q: Suppose x has a distribution with ? = 78 and ? = 8.   Find P(74 ≤ x ≤ 79). (Round your answer to…

A: We have given that.   X~N( μ , ?^2 )   μ =78 , ? =8   Z-score =( x - μ )/?

Q: Let S={5, y, x, y} be our sample such that S is unimodal, and the median and midrange of S are 5 and…

A: Solution

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A:

Q: C. Find the sample size from each of the given data. 7.95% level of confidence, E = 10, o = 24 8.…

A: C. 7.  Here it is given that 95% confidence , margin of error E=10 and standard deviation σ=24…

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A: I solved exactly first question because of bartleby policy if you want more please uplode separately

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A:

Q: In a sample if SS= 24 and sample size, N=10, then standard deviation of the sample is?"     7.5894…

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Q: A fine dining restaurant claims that the group sizes of their customers follows the following…

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Q: 23. A distribution with a mean of u = 38 and a standard deviation of o = 5 is transformed into a…

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Q: Suppose x has a distribution with ? = 10 and ? = 3. If a random sample of size n = 71 is drawn,…

A: Solution-: Given: μ=10, σ=3, n=71 We find, (a) μX¯=? , σx¯=? (b) P[10≤<X¯≤12]=?

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Q: 19. What is the standard deviation, o, in the heights of tenth grade girls shown in the table below?…

A:

Q: Given a normal population whose mean is 435 and whose standard deviation is 37, find each of the…

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A: A frequency distribution provides the frequencies corresponding to the value of the observations

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A: Here, n = 250 Number of intervals will be 8 as it can be calculated       2k≥n2k≥25028≥250 k = 8…

Q: Given that a die is tossed and has the following data: x 1 2 3 4 5 6 P(x) 1/6 k1/61/6 1/6 1/6…

A:

Q: Suppose x has a distribution with ? = 19 and ? = 14. (a) If a random sample of size n = 46 is…

A: The mean and standard deviation are 19 and 14.

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Q: 3. If the mean of a sample of size 100 is 12 and the standard deviation is 2. Then 95% confidence…

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A:

Q: Assume that a population mean equals µ=30, and the population standard deviation is  σ=8. Then you…

A: The mean is 30, the standard deviation is 8 and the sample mean is 34.

Q: An instructor selected a sample of the following quiz scores(out of possible 10 points) for 12…

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Q: (a) If a random sample of size n = 33 is drawn, find ?x, ? x and P(14 ≤ x ≤ 16). (Round ?x to two…

A: Let , X→N(μ=14 , σ=7)  Our aim is to find the following :  a)  for n=33 b)  for n=65 c) Which…

Q: 29. The scores on a Sociology examination are normally distributed with a mean of 70 and a standard…

A: It is given that the scores are normally distributed with mean 70 and standard deviation…

Q: What is the difference between s and o– O A. s is the standard deviation of a sample, and o- is the…

A: Sample standard deviation is denoted by s

Q: Determine an appropriate interval width for a random sample of 450 observations that fall between…

A: It is an important part of statistics. It is widely used.

Q: Find the standard deviation of the given sample: 12, 11, 13, -13, -11, 9, 8, -7, 6 147.38 108.37…

A:

Q: Which of the following statements about sampling distributions is/are TRUE? A. The mean of the…

A: Given that  Standard error = ?/√n