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STAT 200 Week 1 Homework Problems / STAT200 Week 1 Homework Problems : Questions & Answers (NEW, 2021) (Verified Answers, Already Graded A) $14.49   Add to cart

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STAT 200 Week 1 Homework Problems / STAT200 Week 1 Homework Problems : Questions & Answers (NEW, 2021) (Verified Answers, Already Graded A)

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STAT 200 Week 1 Homework Problems / STAT200 Week 1 Homework Problems : Questions & Answers (NEW, 2021) (Verified Answers, Already Graded A)

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  • April 6, 2021
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  • 2020/2021
  • Exam (elaborations)
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STAT 200 Week 1 Homework Problems

1.1.4 To estimate the percentage of households in Connecticut which use fuel oil as

a heating source, a researcher collects information from 1000 Connecticut

households about what fuel is their heating source. State the individual, variable,

population, sample, parameter, and statistic

1. Individual: Households in Connecticut

2. Variable: Percentage of households in Connecticut who use fuel oil as a

heating source

3. Population: Set of all responses of Connecticut households as to heating

source

4. Sample: Set of 1000 responses of Connecticut households as to heating

source

5. Parameter: Percentage of those who use fuel oil as heating source calculated

from the population of Connecticut households

6. Statistic: Percentage of people who use fuel oil as a heating source

calculated from the sample of 1000 Connecticut households.

, 1.1.8 The World Health Organization wishes to estimate the mean density of

people per square kilometer, they collect data on 56 countries. State the individual,

variable, population, sample, parameter, and statistic.

1. Individual: Single Country

2. Variable: Mean density of people per square kilometer from set of 56

countries of the world

3. Population: The set of all countries in the world

4. Sample: the 56 countries

5. Parameter: the mean density percentage of people per square kilometer from

the population

6. Statistic: The mean density of people per square kilometer from the 56

countries

1.2.4 You wish to determine the GPA of students at your school. Describe what

process you would go through to collect a sample if you use a stratified sample.

1. I would need to have groups of each grade, then I would randomly choose a

few student from each grade.

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