Mathematics > AQA Questions and Marking Scheme > Maths 221 Statistics For Decision Making week 3 (All)
Maths 221 Statistics For Decision Making week 3
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1. A survey of 385 people who like wild sweaters found that 74% had a wild holiday sweater. What is the population and what is the sample? a. Population: people who like wild sweaters; Sample: the 3... 85 people who like wild sweaters 2. A survey of all 35 employees at a small company of them like the recent changes to the company’s benefits. Is this percentage a parameter or a statistic and why? a. Parameter as it represents the population 2. A survey of 481 of your customers shows that 79% of them like the recent changes to the product. Is this percentage a parameter or a statistic and why? a. Statistic as it represents the sample 2. The measurements of 100 products from the assembly line show that 99% are correct. Is this percentage a parameter or a statistic and why? a. Statistic as it represents the sample 3. Classify the data of all the political parties in the world. a. Qualitative 3. Classify the data of the number of customers at a restaurant. [Show More]
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