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MATH 221 Week 1 Homework: Statistics for Decision-Making (LATEST UPDATE v1) | 100% Correct asnswers) $10.99
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MATH 221 Week 1 Homework: Statistics for Decision-Making (LATEST UPDATE v1) | 100% Correct asnswers)
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  • MATH 221
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  • DeVry University, Chicago

Question: In a survey of 1000 adults, 34% found they prefer charcoal to gas grills. The 34% would … considered a: Question: In a survey of 1000 adults, 34% found they prefer charcoal to gas grills. The 1000 would … considered a: Question: The chances of winning the Maryland lottery are one chan...

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  • July 18, 2022
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MATH 221 Week 1 Homework: Statistics for Decision-Making
Question 1
In a survey of 1000 adults, 34% found they prefer charcoal to gas grills. The 34% would be
considered a:
Parameter

Population

Correct!
Statistic

Sample


The average age of all employees at a local store would be considered a:
Statistic

Correct Answer
Parameter

Population

Sample


In a survey of 1000 adults, 34% found they prefer charcoal to gas grills. The 1000
would be considered a:
Statistic

Parameter

Population

Correct!
Sample


A survey of 1050 students was taken from a university with 19,500
students. The 19,500 would be considered a:
Sample

Statistic

Parameter

Correct Answer
Population

,Question 2
A recent survey of the alumni of a university indicated that the average salary of 10,000 of its
200,000 graduates was $130,000. The 10,000 would be considered a:
Correct!
Sample

Statistic

Population

Parameter


A recent survey of the alumni of a university indicated that the average salary of 10,000
of its 200,000 graduates was $130,000. The $130,000 would be considered a:
Population

Parameter

Correct Answer
Statistic

Sample


Based on past experience, it is predicted that 31% of registered voters in
Oklahoma will vote in the next primary. The 31% would be considered an
example of:
Qualitative data

Descriptive statistics

A sample

Correct Answer
Inferential statistics


Question 3
The chances of winning the Maryland lottery are one chance in twenty-two million. The
probability would be considered an example of:
A sample

Experiment design

Correct Answer

, Descriptive statistics

Inferential statistics


Inferential statistics is when sample data is used to:
Calculate a mean
Say something about the population
Influence a decision maker
Determine when an event is most likely to occur

Question 4
The ages of 20 first graders would be considered:
Interval data

Qualitative data

Nominal data

Correct!
Quantitative data


If a data set included the color of cars in a parking lot, those data would be considered:
Ratio data

Correct!
Qualitative data

Interval data

Quantitative data


The hair color of the players on a tennis team would be considered:
Ordinal data

Ratio data

Interval data

Correct!
Nominal data


Question 5

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