Question 1

Facts and figures that are collected, analyzed and summarized for presentation and interpretation are

Accepted Answer

A) data 
B) variables 
C) elements 
D) Both variables and elements are correct. 
A) data 
B) variables 
C) elements 
D) Both variables and elements are correct.

Question 2

Statistical studies in which researchers control variables of interest are

Accepted Answer

A) experimental studies 
B) control observational studies 
C) non experimental studies 
D) observational studies 
A) experimental studies 
B) control observational studies 
C) non experimental studies 
D) observational studies

Question 3

Flight time from Cincinnati to Atlanta is an example of a _______ variable and _______ measurement.

Accepted Answer

A) discrete, interval 
B) discrete, ratio 
C) continuous, interval 
D) continuous, ratio 
A) discrete, interval 
B) discrete, ratio 
C) continuous, interval 
D) continuous, ratio

Question 4

A portion of the population selected to represent the population is called

Accepted Answer

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

Question 5

Michael, Inc., a manufacturer of electric guitars, is a small firm with 50 employees. The table below shows the hourly wage distribution of the employees.   
a.How many employees receive hourly wages of at least $18?
b.What percentage of the employees has hourly wages of at least $18?
c.What percentage of the employees has hourly wages of less than $14?

Accepted Answer

The answer of Michael, Inc., a manufacturer of electric guitars,...

Facts and figures that are collected, analyzed and summarized for presentation and interpretation are

Statistical studies in which researchers control variables of interest are

Flight time from Cincinnati to Atlanta is an example of a _ variable and _ measurement.

A portion of the population selected to represent the population is called

Descriptive Statistics: Tabular and Graphical Displays

Descriptive Statistics: Numerical Measures

Introduction to Probability

Discrete Probability Distributions

Continuous Probability Distributions

Sampling and Sampling Distributions

Interval Estimation

Hypothesis Tests

Inference About Means and Proportions With Two Populations

Inferences About Population Variances

Tests of Goodness of Fit, Independence and Multiple Proportions

Experimental Design and Analysis of Variance

Simple Linear Regression

Multiple Regression

Regression Analysis: Model Building

Time Series Analysis and Forecasting

Nonparametric Methods

Statistical Methods for Quality Control

Decision Analysis

Sample Survey

Filters

Exam 1: Data and Statistics

Facts and figures that are collected, analyzed and summarized for presentation and interpretation are

Statistical studies in which researchers control variables of interest are

Flight time from Cincinnati to Atlanta is an example of a _______ variable and _______ measurement.

A portion of the population selected to represent the population is called

Descriptive Statistics: Tabular and Graphical Displays

Descriptive Statistics: Numerical Measures

Introduction to Probability

Discrete Probability Distributions

Continuous Probability Distributions

Sampling and Sampling Distributions

Interval Estimation

Hypothesis Tests

Inference About Means and Proportions With Two Populations

Inferences About Population Variances

Tests of Goodness of Fit, Independence and Multiple Proportions

Experimental Design and Analysis of Variance

Simple Linear Regression

Multiple Regression

Regression Analysis: Model Building

Time Series Analysis and Forecasting

Nonparametric Methods

Statistical Methods for Quality Control

Decision Analysis

Sample Survey

Filters

Flight time from Cincinnati to Atlanta is an example of a _ variable and _ measurement.