STT 200 Midterm Exam: Questions And Accurate
Answers
When data are collected in a statistical study for only a portion or subset of all
elements of interest Right Ans - Sample
You asked ten of your classmates about their weight. On the basis of this
information, you stated that the average weight of all students in your
university or college is 142.6 pounds. This is an example of Right Ans -
Statistic
A recent Wall Street Journal poll asked a group of American voters to rate
economic conditions in the United States. 22% of the respondents rated
economic conditions as "favorable." Identify the population, sample, sample
statistic, and population parameter in this survey.
22% of the sample rated economic conditions as favorable Right Ans -
Sample Statistic
A recent Wall Street Journal poll asked a group of American voters to rate
economic conditions in the United States. 22% of the respondents rated
economic conditions as "favorable." Identify the population, sample, sample
statistic, and population parameter in this survey.
The percentage of all voters who would rate economic conditions as favorable.
Right Ans - Parameter
A recent Wall Street Journal poll asked a group of American voters to rate
economic conditions in the United States. 22% of the respondents rated
economic conditions as "favorable." Identify the population, sample, sample
statistic, and population parameter in this survey.
All eligible voters in the U.S. Right Ans - Population
A recent Wall Street Journal poll asked a group of American voters to rate
economic conditions in the United States. 22% of the respondents rated
economic conditions as "favorable." Identify the population, sample, sample
statistic, and population parameter in this survey.
Answers
When data are collected in a statistical study for only a portion or subset of all
elements of interest Right Ans - Sample
You asked ten of your classmates about their weight. On the basis of this
information, you stated that the average weight of all students in your
university or college is 142.6 pounds. This is an example of Right Ans -
Statistic
A recent Wall Street Journal poll asked a group of American voters to rate
economic conditions in the United States. 22% of the respondents rated
economic conditions as "favorable." Identify the population, sample, sample
statistic, and population parameter in this survey.
22% of the sample rated economic conditions as favorable Right Ans -
Sample Statistic
A recent Wall Street Journal poll asked a group of American voters to rate
economic conditions in the United States. 22% of the respondents rated
economic conditions as "favorable." Identify the population, sample, sample
statistic, and population parameter in this survey.
The percentage of all voters who would rate economic conditions as favorable.
Right Ans - Parameter
A recent Wall Street Journal poll asked a group of American voters to rate
economic conditions in the United States. 22% of the respondents rated
economic conditions as "favorable." Identify the population, sample, sample
statistic, and population parameter in this survey.
All eligible voters in the U.S. Right Ans - Population
A recent Wall Street Journal poll asked a group of American voters to rate
economic conditions in the United States. 22% of the respondents rated
economic conditions as "favorable." Identify the population, sample, sample
statistic, and population parameter in this survey.
