Continuous Distributions - Data Management Calculate the mean of a set of data with a standard deviation of 4, given that a value of 73 has a z-score of 1.5.
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Q: Find the standardized test statistics Calculat p value State conclusion
A: (b) The pooled variance is, sp2=n1-1s12+n2-1s22n1+n2-2=15-1372+11-145215+11-2=3941624=1642.3333 The…
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A: Excel formula: =NORMINV(0.305,0,1)=-0.5100
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Q: IQ scores, X, are normally distributed with a mean of 100 and standard deviation 16. What is…
A: given data, normal distributionμ=100σ=16we have to find out the p(X<82)=?
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Q: Consider the following sample data. Sample A: Sample B: Sample C: 10, 17, 24 68, 75, 82 1,035;…
A: Mean (x¯) = ∑xn _____________________________ standard dev(s) = ∑(x-x¯)2n-1
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Q: What is the minimum value of a standard deviation? 1 0 it has no minimum -1
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Q: the mean is 146, and standard deviation is 35. A score of 181 is how many z-scores above the mean?
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A: It is given that the mean is 268 and the standard deviation is 15.
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Q: Consider a value to be significantly low if its z score less than or equal to-2 or consider a value…
A: The mean is 5.24139 and the standard deviation is 0.06577
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- The combined SAT scores for the students at a local high school are normally distributed with a mean of 1462 and a standard deviation of 297. The local college includes a minimum score of 1759 in its admission requirements.What percentage of students from this school earn scores that satisfy the admission requirement? P(X > 1759) = ________ %Midterm exam scores are normally distributed with a mean of 75 and a standard deviation of 6. If the exam is given to 10,000 students, we would expect No one to receive a score of 87 No one to have received a score below 63 Half the scores to fall between 70 and 83 NO Half the scores to fall between 64 and 88 Just over one third of the scores to fall between 75 and 81A5
- Probability & StatisticsOverweight Men For a random sample of 70 overweight men, the mean of the number of pounds that they were overweight was 32. The standard deviation of the population is 4.4 pounds. Part: 0 / 4 0 of 4 Parts Complete Part 1 of 4 (a) The best point estimate of the mean is how many pounds?A random sample of 100 selected from a population with a standard deviation of 10 yielded a mean = 225. The mean and the standard deviation of the distribution of the sample means are ____________. 225 and 10 225 and 1 225 and 0.1 22.5 and 1 22.5 and 10
- Interpret the Z score for a student who scored an 91 on an exam that had a mean of 86 and a standard deviation of 5. One mean above the standard deviation One standard deviation above the mean One standard deviation below the mean One mean below the standard deviationx = 0,1,2,3,4 p(x) = 0.0, 0.1,0.2,0.3,0.4 can you please find mean and standard deviationH0 , test statistic, and p value please
- FINALS Exam D Munimuni - Sa'yo (Lyric Vide X urses/63035/assignments/1441620?module_item_id%3D2210251 Score: 6/50 9/39 answered Question 17 く The lengths of pregnancies in a small rural village are normally distributed with a mean of 258 days and a standard deviation of 14 days. In what range would we expect to find the middle 95% of most lengths of pregnancies? Between and days Check AnswerThis C The weight of an organ in adult males has a bell-shaped distribution with a mean of 310 grams and a standard deviation of 40 grams. Use the empirical rule to determine the folowing (a) About 99.7% of organs will be between what weights? (b) What percentage of organs weighs between 230 grams and 390 grams? (c) What percentage of organs weighs less than 230 grams or more than 390 grams? (d) What percentage of organs weighs between 270 grams and 430 grams? (a) and grams (Use ascending order.) (b)% (Type an integer or a decimal.) (c) % (Type an integer or a decimal.) (d) % (Type an integer or decimal rounded to two decimal places as needed.) Enter your answer in each of the answer boxes. e Type here to search 近GMAT scores are approximately normally distributed with a mean of 547 and a standard deviation of 95. Estimate the percentage of scores that were(a) between 452 and 642. ________%(b) above 832._________ %(c) below 452. ___________%(d) between 357 and 642. ___________% Answer the blanks.
