Practical Management Science
6th Edition
ISBN: 9781337406659
Author: WINSTON, Wayne L.
Publisher: Cengage,
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Which sampling method is also known as convenience sampling?
Group of answer choices
simple random sampling
availability sampling
cluster sampling
opportunity sampling
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- The management of a large fast food chain evaluates the supplier of their deep-frozen beef patties. The supplier delivers frozen beef patties that according to the specifications have to weigh between 94.5 grams and 95.5 grams. All other beef patties are rejected. A random sample of 30 patties that were inspected over the course of the last week revealed that the average weight was 95.0 grams. The standard deviation was 0.25 grams. What percentage of the deliveries is likely to be outside the specification limits (outside the interval of [94.5, 95.5])?arrow_forwardWhich of the following appraisal methods is the graphic rating scale? Behavioral Results Comparative Traitarrow_forwarddo fastarrow_forward
- An market researcher is conducting customer satisfaction surveys for a national restaurant chain with 200 restaurant. The researcher randomly selects a sample 10 of the restaurants and interviews all customers over a two-day period. What sampling technique was used?arrow_forwardWhat is the meaning of x ̅ ~ N (50, 2)? 1. The Sampling distribution is distributed normally with a mean of 50 and a standard deviation of 2 2. Sampling distribution of x is distributed normally with a mean of 2 and a standard deviation of 50 3. x is normally distributed with a mean of 50 and a standard deviation of 2 4. x-bar is normally distributed with a mean of 2 and a standard deviation of 50arrow_forwardExplain how cluster sampling is different from stratified samplingarrow_forward
- Your firm is conducting a study among employees about their attitudes toward union membership. Management needs a sampling design that is likely to reflect the true feelings of all employees but is efficient to draw. You must design a ____. Multiple Choice probability simple random sample nonprobability convenience sample nonprobability judgement sample probability cluster sample probability systematic samplearrow_forwardSample variance: sample standard deviation:arrow_forwardWhat is the meaning of x ~ N (50, 20)? 1. Sampling distribution of x is distributed with a mean of 20 and a standard deviation of 50 2. x-bar is normally distributed with a mean of 20 and a standard deviation of 50 3. x is normally distributed with a mean of 50 and a standard deviation of 20 4. Sampling distribution of x is distributed with a mean of 50 and a standard deviation of 20arrow_forward
- Define random sampling error and non samling error, two major type of non sampling error.arrow_forwardWhat is the centerline for the R chart? Group of answer choices a Less than 10 b Greater than or equal to 10 but less than 30 c Greater than or equal to 30 but less than 60 d Greater than or equal to 60 but less than 90 e Greater than or equal to 90arrow_forwardResponses collected from a Yelp review of a restaurant would be an example of what type of sampling? convenience sampling simple random sampling stratified sampling cluster samplingarrow_forward
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