0O REDMI NOTE 9ScO AI QUAD CAMERAQUESTION: 1Drugs Arằndomwas prescribe farSampleof12patients Complaining ofinsompiarandomwithindlependentanSample of l6 patients.theComplain.sameB. The numberthereceivedolrugof hours sleep duringafterSecondtreatmentnightbegan as follows:the3.54.55.71.73.410.86.94.56.317.83.83.06.43.86.26.63.67.16.44.55.13.26.95.73.84.53.04.5which Sample have more variationis there any out lier in Sample B. Alsodiscuss symmetry and Skewness aboutItheSample A.

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Description: 0O REDMI NOTE 9ScO AI QUAD CAMERAQUESTION: 1Drugs Arằndomwas prescribe farSampleof12patients Complaining ofinsompiarandomwithindlependentanSample of l6 patients.theComplain.sameB. The numberthereceivedolrugof hours sleep duringafterSecondtreatmentni

An outlier is a data point that differs significantly from other observations. An outlier may be due…

Math

Statistics

QUESTION: 1 Drugs A was prescribe far Sample rằndom. of of 12 patients Complaining insompia random With independent an Sample of 16 patients. the Complain B. The number same received of hours sleep during Second treatment olrug the after night began as the follows: 3.5 5.7 4.5 1.7 3.4 6.9 17.8 3.8 3.0 6.4 10.8 4.5 6.3 3.8 6.2 6.6 3.6 6.9 7.1 6.4 4.5 5.1 5.7 3.8 3.2 4.5 3.0 4.5 which Sample have more variation is there any out lier in Sample B.Also discuss Ithe Sample A. Symmetry and skewness about

QUESTION: 1 Drugs A was prescribe far Sample rằndom. of of 12 patients Complaining insompia random With independent an Sample of 16 patients. the Complain B. The number same received of hours sleep during Second treatment olrug the after night began as the follows: 3.5 5.7 4.5 1.7 3.4 6.9 17.8 3.8 3.0 6.4 10.8 4.5 6.3 3.8 6.2 6.6 3.6 6.9 7.1 6.4 4.5 5.1 5.7 3.8 3.2 4.5 3.0 4.5 which Sample have more variation is there any out lier in Sample B.Also discuss Ithe Sample A. Symmetry and skewness about

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Week 10. Question 6 In a research report, suppose a researcher states that they ‘randomly’ stopped passers-by in a shopping centre to get responses for their survey. Explain why this process is not truly random.
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Bill Alther is a zoologist who studies Anna's hummingbird (Calypte anna).† Suppose that in a remote part of the Grand Canyon, a random sample of six of these birds was caught, weighed, and released. The weights (in grams) were as follows. 3.7 2.9 3.8 4.2 4.8 3.1 The sample mean is x = 3.75 grams. Let x be a random variable representing weights of hummingbirds in this part of the Grand Canyon. We assume that x has a normal distribution and ? = 0.86 gram. Suppose it is known that for the population of all Anna's hummingbirds, the mean weight is ? = 4.60 grams. Do the data indicate that the mean weight of these birds in this part of the Grand Canyon is less than 4.60 grams? Use ? = 0.10. (a) Compute the z value of the sample test statistic. (Round your answer to two decimal places.) (b) Find (or estimate) the P-value. (Round your answer to four decimal places.)
> Question 4 The lengths of adult males' hands are normally distributed with mean 192 mm and standard deviation is 7 mm. Suppose that 7 individuals are randomly chosen. Round all answers to 4 where possible. a. What is the distribution of ? - N( b. For the group of 7, find the probability that the average hand length is more than 188. c. Find the first quartile for the average adult male hand length for this sample size. d. For part b), is the assumption that the distribution is normal necessary? O No Yes Hint: Some Helpful Videos: • Finding the Sampling Distribution [+] • Finding a Probability Using the Central Limit Theorem [+] • Finding Value Given a Probability Using the Central Limit Theorem [+] . The Central Limit Theorem For ns [+] Hint Submit Question 40 % $ R 5 16 T 4- ^ 6 4+ Y 90 & BA 7 * U 19 144 8 ly 1 tio C I DII 9 DDI O P A
The lengths of adult males' hands are normally distributed with mean 190 mm and standard deviation is 7.4 mm. Suppose that 44 individuals are randomly chosen. Round all answers to 4 where possible. a. What is the distribution of ? I - N( b. For the group of 44, find the probability that the average hand length is more than 189. c. Find the first quartile for the average adult male hand length for this sample size. d. For part b), is the assumption that the distribution is normal necessary? No Yes Submit Ouortion
Bill Alther is a zoologist who studies Anna's hummingbird (Calypte anna).† Suppose that in a remote part of the Grand Canyon, a random sample of six of these birds was caught, weighed, and released. The weights (in grams) were as follows. 3.7 2.9 3.8 4.2 4.8 3.1 The sample mean is x = 3.75 grams. Let x be a random variable representing weights of hummingbirds in this part of the Grand Canyon. We assume that x has a normal distribution and o= 0.88 gram. Suppose it is known that for the population of all Anna's hummingbirds, the mean weight is = 4.65 grams. Do the data indicate that the mean weight of these birds in this part of the Grand Canyon is less than 4.65 grams? Use x=0.10. (a) What is the level of significance? State the null and alternate hypotheses. Will you use a left-tailed, right-tailed, or two-tailed test? OH μ 4.65 g; right-tailed OH = 4.65 g; H₂ μ< 4.65 g; left-tailed OH = 4.65 g; Hμ 4.65 g; two-tailed (b) What sampling distribution will you use? Explain the rationale…
...The data represents the amount of money students. This is a random (Rands, R) spent on extra-curricular activities for University sample for the 8th week of first trimester. 12,87 17,5 6,29 14,59 10,05 19,25 6,74 11,38 13,45 18,75 8,1 3,25 9 9,9 16,01 8,31 6,5 13,8 9,87 4,95 9,5 7,14 10,41 12,8 32,09 7,25 4,32 14,73 8,59 20,35 13,57 9,18 8,84 18,24 11,79 16,91 6,48 12,93 7,25 13,02 6,5 9,65 22,68 12,45 Note 1: As a researcher, and for a better statistical measurement in reflection of the conventional steps to determining the frequency distribution table, you decide to reduce the lowest data observation by 1.25 and increases the highest by 1,91. This to observe a comprehensible data Range. 27,43 5,74 17,95 24,1 Draw accumulative frequency and histogram for this data with 7 class/ intervals 6,63 15,9
What is the Sample?
The lengths of adult males' hands are normally distributed with mean 191 mm and standard deviation is 7.4 mm. Suppose that 40 individuals are randomly chosen. Round all answers to 4 where possible. a. What is the distribution of ? ¤ - N( b. For the group of 40, find the probability that the average hand length is less than 189. c. Find the first quartile for the average adult male hand length for this sample size. d. For part b), is the assumption that the distribution is normal necessary? O YesO No