Consider the population described by the probability distribution shown below. The random variable is observed twice with independent observations, as shown below. Complete parts a and b.Full data set D4,44,5 4,63,33,43,53,64,3P(x)0.1SampleProbability 0.01 0.02 0.04 0.03 0.02 0.04 0.08 0.0640.2Sample5.35.45,5 5,6 6,3 6,46,56.60.4Probability 0 04 0.08 0.16 0.12 0.030.06 0.12 0.090.3a. Complete the sampling distribution table. Type the medians in ascending order.Median34Probability0.040.220.24(Simplify your answers. Type integers or decimals.)

Answered: Consider the population described by…

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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6. For each random sample below, compute the mean, median, variance, and standard deviation (rounded to two decimal places); 6, 2, 1, 4, 6, 5 11.2, 10.0, 25.4, 8.4, 11.0 a. b. c. 13, 11, 14, 8, 14
Below is a simple random of weight for 25 males attending college
A population consists of the following five values: 1, 2, 4, 4, and 6. a. List all samples of size 2 from left to right, and compute the mean of each sample. (Round your mean value to 1 decimal place.) Sample 1 2 3 4 5 6 7 8 9 10 Values 1,2 1,4 1,4. 1.6 2,4 2,4 2,6 4,4 4,6 4.6 Sum 3 5 5 81 10 10 Mean
Below are the jersey numbers of 11 players randomly selected from a football team. Find the range, variance, and standard deviation for the given sample data. What do the results tellus? 6 30 29 50 85 93 34 75 3 22 8 Range (Round to one decimal place as needed.)
Assume that samples have been randomly selected from normally distributed populations.A coach uses a new technique in training middle distance runners. The times for 8 different athletes to run 800 meters before and after this training are shown below. Athlete A B C D E F G H Time before training (seconds) 111.7 115.2 109.2 117.2 113.9 118.7 115.1 19.4 Time after training (seconds) 113.3 113.9 106.5 119 112.1 118.8 111.6 106.5 Using a 0.05 level of significance, test the claim that the training helps to improve the athletes' times for the 800 meters.
tudents in a statistics class took their first test. The following are the scores they earned. Create a requency distribution and histogram for the data using a lower class limit of 49.5 and a class width of 10. escribe the shape of the distribution. ) Since data were collected for 1 make is a histogram 49.5 Classes 90 98 90 94 95 I 98 92 99 91 95 83 81 83 87 88 87 87 82 77 73 71 76 62 69 50 ) For this one the class width is given to be the following: class width = Complete the frequency/relative frequency table using the given class width. Round relative frequencies to 3 decimal places. quantitatve Frequency variable(s), the correct graph to Which of the following is the correct histogram for the given data? Relative Frequency
How old are college students? The national age distribution for collee students are shown below. The western associateion of mountain colleges took a random sample of 212 students and obtained the distribution lited second below. Is the sample age distribution for the western association of mountain colleges a good fit to the national distribution? U a=0.05
The following table shows age distribution and location of a random sample of 166 buffalo in a national park. Age Lamar District Nez Perce District Firehole District Row Total Calf 13 14 14 41 Yearling 10 11 12 33 Adult 33 30 29 92 Column Total 56 55 55 166 a. Find the value of the chi-square statistic for the sample. (Round the expected frequencies to at least three decimal places. Round the test statistic to three decimal places.) b. What are the degrees of freedom? c. Find or estimate the P-value of the sample test statistic. (Round your answer to three decimal places.) p-value > 0.1000 .050 < p-value < 0.100 0.025 < p-value < 0.0500 .010 < p-value < 0.0250 .005 < p-value < 0.010 p-value < 0.005
The Census Bureau gives this distribution for the number of people in American households in 2016. Family size 1 2 4 6. 7 Proportion 0.28 0.35 0.15 0.13 0.06 0.02 0.01 Note: In this table, 7 actually represents households of size 7 or greater. But for purposes of this exercise, assume that it means only households of size exactly 7. Suppose you take a random sample of 4000 American households. About how many of these households will be of size 2? Sizes 3 to 7? The number of households of size 2 is about The number of households of size 3 to 7 is about
(assume a normal population) According to Communications Industry Forecast & Report, published by Veronis Suhler Stevenson, the average person watched 4.55 hours of television per day in 2005. A random sample of 20 people gave the following number of hours of television watched per day for last year. 1.0 4.6 5.4 3.7 5.2 1.7 6.1 1.9 7.6 9.1 6.9 5.5 9.0 3.9 2.5 2.4 4.7 4.1 3.7 6.2 At the 10% significance level, do the data provide sufficient evidence to conclude that the amount of television watched per day last year by the average person differed from that in ̅2005? (Note: ? = 4.760 and s = 2.297.)
12need help with parts A, D and E please
A random sample of eight pairs of twins was randomly assigned to treatment A or treatment B. The data are given in the following table.Twins : 1 2 3 4 5 6 7 8Treatment A: 48.3 44.6 49.7 40.5 54.3 55.6 45.8 35.4Treatment B: 43.5 43.8 53.7 43.9 54.4 54.7 45.2 34.4a. Is there significant evidence that the two treatments differ using an α = 0.05 paired t test.b. Place a 95% confidence interval on the mean difference between the responses from the two treatments.

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