Exam 13: Glossary

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A series of random digits is used to simulate the type of car wash requested by customers. Given that th Digit Choice 1 Standard 2 Standard 3 Standard 4 Deluxe 5 Deluxe 6 Deluxe 7 Deluxe 8 Deluxe 9 Deluxe 0 Super Premium following ten numbers were picked, how many customers did not want a standard car wash? 1783357069

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A(n) ______________ is a sample obtained by dividing the population into subgroups, according to various homogeneous characteristics and then selecting members from each homogeneous group for the sample. ________________________________________

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What is the basic simulation technique called?

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There is a 5%5 \% chance that Bob will win a game and make $50\$ 50 . If he loses, he has to pay $5\$ 5 . What is his expected winnings if he plays 20 times? Use the following random numbers table. Starting with the number 74 , go down the columns, continuing at the top of the next column, until 20 numbers have been chosen 68 96 37 69 97 19 50 29 66 74 8 38 5 13 30 69 65 50 36 47 22 15 19 44 9 11 16

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A six-sided die is used to simulate the favourite ice cream flavours for a simulated series of customers . Roll Flavout 1 Vanilla 2 Vanilla 3 Chocolate 4 Chocolate 5 Strawberry 6 Mint Chocolate Chip Given that the following eight numbers were rolled, how many customers had the same favourite flavour as the person just in front of him? 25436222

(Multiple Choice)
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The survey question, "Do you feel that, if people were not allowed to park along this street, children would not be able to play here?" is a poor survey question because it is:

(Multiple Choice)
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A pollster wants to determine which local news channel is watched most frequently in Vancouver. Two city blocks in downtown Vancouver are used as a sample. What type of sampling technique is being used?

(Short Answer)
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A six-sided die is rolled to simulate a nine-hole round of golf . Roll Score 1 Hole-in-one 2 Eagle 3 Birdie 4 Par 5 Bogey 6 Double-Bogey Given that the following nine numbers were rolled, on how many holes did the golfer make par or better (hole-in-one, eagle, birdie, or par): 3,1,1,4,6,5,2,3,63,1,1,4,6,5,2,3,6

(Multiple Choice)
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In _________________, which is used in quality control, successive units taken from production lines are sampled to ensure that the products meet certain standards set by the manufacturing company. ________________________________________

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In multistage sampling, a very large population is given a questionnaire to determine those who meet the qualifications for the study.

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The first step in simulating experiments using the Monte Carlo method is to list all of the possible outcomes of the experiment.

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Which of the following is not an advantage of cluster sampling over the other sampling techniques?

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An early evening television program that discussed the use of "carbon offsets" to reduce the impact on global warming asked its viewers to phone in or e-mail a vote for or against this approach. The next day The television station reported the vote was 70% in favour of this approach. This type of sampling is Called:

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In double sampling, the researcher uses a combination of sampling methods.

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The _______________ is a simulation technique using random numbers, most commonly used in business and industry to solve problems that are extremely difficult or involve a large number of variables. ________________________________________

(Short Answer)
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A researcher wishes to use a random number table to pick between three groups labelled X, Y, and Z. X is to be chosen with a probability of 13/63, Y with a probability of 28/6328 / 63 , and Z with a probability of 22/ 63. How can the researcher assign random numbers to achieve these probabilities?

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The time and place where a survey is conducted could influence the results.

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The basic simulation technique is referred to as multistage sampling.

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A type of sampling in which a very large population is given a questionnaire and then after the questionnaires are reviewed, a smaller population is formed and a sample is selected is called:

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A flip of a fair coin is used to simulate the sizes of a series of simulated shirts. Flip Size Medium Extra-Large Given the following six flips, how many extra-large shirts were there? H T T T H T

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