Question 1

Income is an example of a variable that uses the

Accepted Answer

A) ratio scale 
B) interval scale 
C) nominal scale 
D) ordinal scale 
A) ratio scale 
B) interval scale 
C) nominal scale 
D) ordinal scale

Question 2

In a random sample of 200 items, 5 items were defective. An estimate of the percentage of defective items in the population is

Accepted Answer

A) 5.0% 
B) 2.5% 
C) 200 
D) 10.0% 
A) 5.0% 
B) 2.5% 
C) 200 
D) 10.0%

Question 3

The summaries of data, which may be tabular, graphical, or numerical, are referred to as

Accepted Answer

A) inferential statistics 
B) descriptive statistics 
C) statistical inference 
D) report generation 
A) inferential statistics 
B) descriptive statistics 
C) statistical inference 
D) report generation

Question 4

In a sample of 400 students in a university, 80, or 20%, are Business majors. Based on the above information, the school's paper reported that "20% of all the students at the university are Business majors." This report is an example of

Accepted Answer

A) a sample 
B) a population 
C) statistical inference 
D) descriptive statistics 
A) a sample 
B) a population 
C) statistical inference 
D) descriptive statistics

Income is an example of a variable that uses the

In a random sample of 200 items, 5 items were defective. An estimate of the percentage of defective items in the population is

The summaries of data, which may be tabular, graphical, or numerical, are referred to as

In a sample of 400 students in a university, 80, or 20%, are Business majors. Based on the above information, the school's paper reported that "20% of all the students at the university are Business majors." This report is an example of

Descriptive Statistics: Tabular and Graphical Presentations

Descriptive Statistics: Numerical Measures

Introduction to Probability

Discrete Probability Distributions

Continuous Probability Distributions

Sampling and Sampling Distributions

Interval Estimation

Hypothesis Tests

Comparisons Involving Means, Experimental Design and Analysis of Variance

Comparisons Involving Proportions and a Test of Independence

Simple Linear Regression

Multiple Regression

Filters

Exam 1: Data and Statistics

Income is an example of a variable that uses the

In a random sample of 200 items, 5 items were defective. An estimate of the percentage of defective items in the population is

The summaries of data, which may be tabular, graphical, or numerical, are referred to as

In a sample of 400 students in a university, 80, or 20%, are Business majors. Based on the above information, the school's paper reported that "20% of all the students at the university are Business majors." This report is an example of

Descriptive Statistics: Tabular and Graphical Presentations

Descriptive Statistics: Numerical Measures

Introduction to Probability

Discrete Probability Distributions

Continuous Probability Distributions

Sampling and Sampling Distributions

Interval Estimation

Hypothesis Tests

Comparisons Involving Means, Experimental Design and Analysis of Variance

Comparisons Involving Proportions and a Test of Independence

Simple Linear Regression

Multiple Regression

Filters