Which of the following statements about point estimates is NOT TRUE? A. The best point estimate of the population mean is the sample mean A. A point estimate, for the most part, somewhat not equal to the populaton parameter due to margin of error C. A good estimator should be unbiased, consistent, and relatively efficient D. A point estimate is a specific numerical value estimate of a parameter E.  degree of confidence is assgned to computefor the best point estimate

Q: In some population the interquartile range of the values of income (x) represents 41,9% of its…

A: Formula Used: Median = L+n2-CFf×h Quartile deviation Q = Q3-Q12 First quartile Q1 = L + n4-CFf×h…

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Q: Assume that the mean and standard deviation of a sample 10 units respectively. if the sample size is…

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A: Class(1) Frequency (f)(2) Mid value (x)(3) d=(x-A)/h=(x-22)/5A=22,h=5(4) f⋅d(5)=(2)×(4) cf(7) 0 -…

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A: Sample size Number of pet owners who buy their pet food in brick and mortar storms is

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Q: Which of the following numerical summary measures is not sensitive to outliers in a dataset?

A: HERE COMPARE THE NUMERICAL SUMMARY MEASURES

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A: The provided information are: 19,22,18,23,19,21  To calculate the mean Median and mode use the…

Q: compute the range,mean, median & mode of given data

A: Range =maximum - minimum=8.8-7=1.8

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A: Solution:  Given that: n= 5 observation

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A: Given: Sample size n = 50 Formula Used: Mean = ∑Xin

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A: Given Information: School A: x¯1=4.05 s1=0.03 n1=80 School B: x¯2=3.95 s2=0.04 n2=90 Confidence…

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A: From the given information,Margin of error , E = 0.56 Population variance, 7.6 Using formula ,

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

Q: What is the value resulting from subtracting the maximum error from the sample mean?

A: Here use basic of interval estimate

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A: Arrange the given data in ascending order: 0, 2, 2, 3, 4, 5, 5, 6, 6, 7, 7, 7, 8, 8, 10, 11, 12, 12,…

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Q: Which is NOT a correct statement about the sampling distribution?   a. theoretically, the…

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A: For a negatively skewed graph mean<median<mode.

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A: Given,a statement with a blank and options.The correct option needs to be chosen.

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Q: Q3) A sample of outer diameter measurements of plain washers is given at below table. 3.2 mm 3.3 mm…

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Q: Which has the greatest standard error?     mean=20, s.d.=10, n=9     mean=30, s.d.=15, n=16…

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Q: Gardena High School had a mean ACT score of 21 and a mode of 20. What kind of skewness would you…

A: If mean<median<mode then the distribution is left-skewed.

Q: q12- A point estimate is defined as: Select one: a. the average of the sample values. b. the…

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A: Given data is:

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Q: Which of the following statements is correct regarding a biased statistic?   Group of answer choices…

A: Bias statistic is difference between the estimator's  expected value and true value of parameter…

Q: In point estimation, data from the _____. a. sample are used to estimate the sample statistic…

A: In a point estimation data from the a. sample are used to estimate the sample statistic    b.…

Q: Use technology to help you test the claim about the population mean, p, at the given level of…

A: The summary of statistics is, x¯=1308.11,σ=196.31,n=200,μ=1280 The null and alternative hypothesis…