The information below is from the small population of 5students.The 10 possible SRSs of size n = 3 are:Sample #1: Abigail(10), Bobby(5), Carlos(10)Sample #2: Abigail(10), Bobby(5), DeAnna(7)Sample #3: Abigail(10), Bobby(5), Emily(9)Sample #4: Abigail(10), Carlos(10), DeAnna(7)Sample #5: Abigail(10), Carlos(10), Emily(9)Sample #6: Abigail(10), DeAnna(7), Emily(9)Sample #7: Bobby(5), Carlos(10), DeAnna(7)Sample #8: Bobby(5), Carlos(10), Emily (9)Sample #9: Bobby(5), DeAnna(7), Emily(9)Sample #10: Carlos(10), DeAnna(7), Emily(9)NameAbigailBobbyCarlosDeAnnaEmilyGenderFemaleMaleMaleFemaleFemaleQuiz score1051079Calculate the median quiz score for each sample anddisplay the sampling distribution of the sample medianon a dotplot.011000000-55.57.5T1.51.57.5-226.5 7 7.5Median quiz scores898.5Median quiz score88.5Median quiz score∞∞∞0-92.53.5Median quiz scores2.5 3 3.5Median quiz scores-8041048.59.59.54.54.510810∞∞∞∞0-500000-5

The objective is to find the median quiz score for each sample and display the sampling distribution…

Answered: The information below is from the small…

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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If a sample has n=23 items, how many degrees of freedom should there be if you 're doing a t-test?
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I have a group with 6 members from my family.I've weight 52 kg,my father weight 63 kg,my younger brother weight 35 kg,my cousin weight 38 kg,my uncle weight 72 kg. and my eldest brother weight 55 kg.Consider samples of size 4 that can be drawin from this population. Answer the following questions:(Answer number 1,2 and 3) 1.How many possible samples can be drawn?2.List all possible samples and the corresponding means.3.Construct the sampling distribution of the sample means.
List all samples of size 3 2, 5, 6, 8, 9
2. Review Ethan's work below. What mistakes did Ethan make? Sample Student Work: Ethan 3x=y 4x ty = 70 3x+y=0 4x+y=20 7x + 2y = 70 x=53 7+5 = 35 351-2y = 70 2y = 35 X=6 = 17-5- must be a whole number 7x6 = 42 42+2y = 70 2y = 28 y = 14
Suppose we want to compare the GPA for students in at least three different social classes (Upper, Middle, Working). We obtain GPA records for a randomly selected set of 30 students, ten from each social class group. What test should you use and why?
This semester, we have talked about creating random samples as well as desirable qualities of random samples. Other than randomness, one quality of random samples that we have talked about is representation. Using your knowledge of that concept, consider this problem. At a college, 29% of the students are in their first year, 27% are in their second year, 25% in their third, and 19% in their fourth. You take a survey of students and when you classify them by year of study, you have 49, 70, 56, and 25 students in their first, second, third, and fourth years respectively. The table below highlights this information. Year of School First Second Third Fourth Total College Percents Sample Counts Expected Counts 27% 70 25% 56 29% 19% 49 25 200 58 54 50 38 Under the assumption that we think the college enrollment percentages should match our sample, and that therefore our sample represents the college: a) What would the critical value be? (use a = 0.05) b) Find the test statistic to test (c)…
Using the same question from #3 A survey is done to find out the favorite movies of 500 children. The children are categorized into male and female, and a sample of 50 children is chosen. Answer the following question: If the number of female children is 300, what is the sample size of each stratum? a male sample: 40 and female sample: 10 b male sample; 25 and female sample: 25 c male sample: 30 and female sample: 20 d male sample: 20 and female sample: 30
Many times we collect samples of data from the bigger population because the population is too large to use....because of time, cost, and ease. But, the best samples are a true reflection of the bigger population data. This Unit discussed several different sample types. Please define and then discuss how you might collect each of the following samples from your own organization: Simple Random Sample Stratified Random Sample Cluster Random Sample Which of the these three would likely give you the best reflection of the population data?
4. The numbers of incorrect answers on a true-false test for 15 students were recorded as follows: 2, 1, 3, 0, 1, 3, 6, 0, 3, 3, 5, 2, 1, 4, 2. Find the median and the mode.
10

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