6. In order to take a sample of 1200 people from a population, I first divide the population intomen and women, and then take a simple random sample of 500 men and a separate simplerandom sample of 700 women. This is an example ofA) block design.B) stratified random sample.C) double blind simple random sample.D) an experiment.E) A and DF) B and CG) A and B

Given that In order to take a sample of 1200 people from a population, I first divide the…

Answered: 6. In order to take a sample of 1200…

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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i need help with questions 1-2
1. Find for the sample space and identify the number of sample point of each experiment. Example: Tossing two coins → S= (HH, TT, HT, TH) sample point is 4. 1. Tossing three coins 2. Rolling three dice 3. tossing a coin and rolling two dice
A manufacturing company that produces laminate for countertops is interested in studying the relationship between the number of hours of training that an employee receives and the number of defects per countertop produced. Ten employees are randomly selected. The number of hours of training each employee has received is recorded and the number of defects on the most recent countertop produced is determined. The results are as follows. Hours of Training Defects per Countertop 1 5 4 1 7 0 3 3 2 5 2 4 5 1 5 2 1 8 6 2 Copy Data The estimated regression line and the standard error are given. Defects per Countertop=6.717822−1.004950(Hours of Training)se=1.229787se=1.229787 Suppose a new employee has had 5 hours of training. What would be the 90% prediction interval for the number of defects per countertop? Round your answer to two decimal places.
In a randomized block ANOVA, identify the statistic that is used as a measure of variationa. among the sample means for the treatments.b. among the sample means for the blocks.c. within the samples for the treatments with the variation due to blocks removed.
In a certain Town.
The instructor takes a random sample of size from the population data and obtains the following sample data: x 405 385 495 385 555 470 5 If we take random samples of size n = 6 from this population, the number of possible samples is: a 11,481,019,312 b 11,367,345,853 c 11,254,797,874 d 11,143,364,232
2. In a population it is estimated that 20% have a desired trait of interest for the researcher. The researcher wants to know how many people on average he has to draw from a population to get 2 people with the trait. Use rows 20-24 of the Random Number Table to carry out the simulation. Explain clearly how you set up the problem and report your findings. Answer:
11 Degrees of freedom is 21, first sample size is 12, thus; the second sample size will be: Select one: a. 11 b. 8 c. 9 d. 10
10
C. Test value D. Make a decision
1. Trixy is doing her experiment for her project. The experiment consists of counting the number of times that it rains and recording in inches the total rainfall next August in Boston, Massachusetts. Is this a random experiment? If so, find the sample space.
Describe matched-pair design experiments. Which of these statements best describes a matched-pair design? a.) A design in which an entire sample is divided into pairs, and then the pairs are matched together at random. b.) A design in which the total population is randomly divided into groups of equal size and a treatment is assigned to each group. c.) A design in which only two treatments are tested on pairs of similar subjects. d.) A design in which the total population is divided into homogeneous blocks and a treatment is assigned to every element of the block.

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