Question 23This method of sampling requires selecting a random starting point, then selecting every nth item.

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Answered: Question 23 This method of sampling…

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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Race organizers want to survey the participating runners on the quality of the running course. Which of the following uses systematic random sampling? Select the first 15 finishers and the last 15 finishers to take the survey. Randomly select 15% of the male participants and 15% of the female participants. Select the 5th finisher (with the number 5 being randomly chosen) to survey, then survey every 15th finisher after that. Sort all of the runners' names alphabetically, then randomly choose 2 letters and survey all participants whose last name begins with one of those letters.
Scenario: 200 people were asked, “Who is your favorite superhero?” Below are the data. Test the null hypothesis that the population frequencies for each category are equal. α= .05. Iron Man Black Panther Wonder Woman Spiderman fo = 40 fo = 60 fo =55 fo = 45 fe = fe = fe = fe = What is the correct result based on the data?
The first unit of the sample is selected at random and then each subsequent unit is picked at a fixed from the previous unit selected in the sample. What sampling technique is this?
In a population divided into 4 strata, the sampling carried out in each of these strata is: Select one: a. probability sampling b. stratified sampling c. simple random sampling d. simple sample
An experiment consists of drawing two numbers out of a hat one after the other containing the numbers 1, 3, 5, 6. The two numbers are then recorded as a 2-digit number. The number drawn is NOT put back in the hat before drawing the second. Do the following: List the sample space.________________________________ Let F = the event of getting a number whose first digit is odd Let S = the event of getting a multiple of 6 Find P( F and S) =____________________________________ Find P(F) =______________________________ Find P(F|S) =_______________________________________ Are F and S independent events? ___________Justify_____________ VIII (15) Let E be the event that at least two people out of 4 have the same birth month (not day). How many outcomes in the Sample space. In other words, compute n(S).________ State in words the complement of E. _____________________________ How many outcomes in the event not E. In other words, compute n(not E). ________…
Match the name of the sampling method descriptions given. Situations number every name on a list and use a random number generator to select the first 50 numbers dividing the population by Gender, and choosing 30 people of each gender asking your 20 closest friends surveying every 3rd driver coming through a tollbooth selecting a classroom number at random then surveying all the students in that room Sampling Method Stratified Systematic Simple Random Cluster Convenience
A questionnaire is sent to every ninth person on an alphabetical list of a store’s credit card customers. The first person chosen from the list is picked randomly. Which sampling method is being used?

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Question 23 This method of sampling requires selecting a random starting point, then selecting every nth item.