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1. Identify the population and the sample from the given information a. A survey of 1673 Australian households found that 21% of the households own a computer. b. A recent survey of 3245 elementary school children found that 29% of the children could be classified obese. c. The average weight of every sixth person entering the mall within 4 hour period was 69 kg. 2. Determine whether the given numerical value is a parameter or a statistic (and explain): a. A recent survey by the alumni of a major university indicated that the average salary of 15,000 of its 350,000 graduates was 143,000. b. The average salary of all assembly-line employees at a certain car manufacturer is $54,000. c. The average late fee for 425 credit card holders was found to be $62.45. 3. The mean income of all subscribers to a particular magazine is $45,000. We draw a random sample of 100 subscribers and find that their mean income is $52,300. Identify the (a) population: (b) sample: (c) parameter: (d) statistic:

1. Identify the population and the sample from the given information a. A survey of 1673 Australian households found that 21% of the households own a computer. b. A recent survey of 3245 elementary school children found that 29% of the children could be classified obese. c. The average weight of every sixth person entering the mall within 4 hour period was 69 kg. 2. Determine whether the given numerical value is a parameter or a statistic (and explain): a. A recent survey by the alumni of a major university indicated that the average salary of 15,000 of its 350,000 graduates was 143,000. b. The average salary of all assembly-line employees at a certain car manufacturer is $54,000. c. The average late fee for 425 credit card holders was found to be $62.45. 3. The mean income of all subscribers to a particular magazine is $45,000. We draw a random sample of 100 subscribers and find that their mean income is $52,300. Identify the (a) population: (b) sample: (c) parameter: (d) statistic:

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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1. Identify the population and the sample from the given information a. A survey of 1673 Australian households found that 21% of the households own a computer. b. A recent survey of 3245 elementary school children found that 29% of the children could be classified obese. c. The average weight of every sixth person entering the mall within 4 hour period was 69 kg. 2. Determine whether the given numerical value is a parameter or a statistic (and explain): a. A recent survey by the alumni of a major university indicated that the average salary of 15,000 of its 350,000 graduates was 143,000. b. The average salary of all assembly-line employees at a certain car manufacturer is $54,000. c. The average late fee for 425 credit card holders was found to be $62.45. 3. The mean income of all subscribers to a particular magazine is $45,000. We draw a random sample of 100 subscribers and find that their mean income is $52,300. Identify the (a) population: (b) sample: (c) parameter: (d) statistic:
Transcribed Image Text:1. Identify the population and the sample from the given information a. A survey of 1673 Australian households found that 21% of the households own a computer. b. A recent survey of 3245 elementary school children found that 29% of the children could be classified obese. c. The average weight of every sixth person entering the mall within 4 hour period was 69 kg. 2. Determine whether the given numerical value is a parameter or a statistic (and explain): a. A recent survey by the alumni of a major university indicated that the average salary of 15,000 of its 350,000 graduates was 143,000. b. The average salary of all assembly-line employees at a certain car manufacturer is $54,000. c. The average late fee for 425 credit card holders was found to be $62.45. 3. The mean income of all subscribers to a particular magazine is $45,000. We draw a random sample of 100 subscribers and find that their mean income is $52,300. Identify the (a) population: (b) sample: (c) parameter: (d) statistic:
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