Question 1

The model that assumes that the actual time series value is the product of its components is the _____.

Accepted Answer

A)  linear trend regression model 
B)  multiplicative decomposition model 
C)  additive time series model 
D)  weighted moving average model 
A)  linear trend regression model 
B)  multiplicative decomposition model 
C)  additive time series model 
D)  weighted moving average model

Question 2

The trend pattern is easy to identify by using _____.

Accepted Answer

A)  moving averages 
B)  exponential smoothing 
C)  regression analysis 
D)  the Delphi approach 
A)  moving averages 
B)  exponential smoothing 
C)  regression analysis 
D)  the Delphi approach

Question 3

The time series pattern that reflects a gradual shift or movement to a relatively higher or lower level over a longer time period is called the _____.

Accepted Answer

A)  trend pattern 
B)  seasonal pattern 
C)  cyclical pattern 
D)  trend and seasonal pattern 
A)  trend pattern 
B)  seasonal pattern 
C)  cyclical pattern 
D)  trend and seasonal pattern

Question 4

In the linear trend equation, T = b0 + b1t, b0 represents the _____.

Accepted Answer

A)  time 
B)  slope of the trend line 
C)  trend value in period 1 
D)  y-intercept 
A)  time 
B)  slope of the trend line 
C)  trend value in period 1 
D)  y-intercept

Question 5

The forecasting method that is appropriate when the time series has no significant trend, cyclical, or seasonal effect is _____.

Accepted Answer

A)  moving averages 
B)  mean squared error 
C)  mean average deviation 
D)  the qualitative forecasting method 
A)  moving averages 
B)  mean squared error 
C)  mean average deviation 
D)  the qualitative forecasting method

Question 6

In the linear trend equation, Tt = b0 + b1t b1 represents the ______.

Accepted Answer

A)  trend value in period t 
B)  intercept of the trend line 
C)  slope of the trend line 
D)  point in time 
A)  trend value in period t 
B)  intercept of the trend line 
C)  slope of the trend line 
D)  point in time

Question 7

The time series pattern showing an alternating sequence of points below and above the trend line lasting more than one year is the _____.

Accepted Answer

A)  trend pattern 
B)  seasonal pattern 
C)  trend and seasonal pattern 
D)  cyclical pattern 
A)  trend pattern 
B)  seasonal pattern 
C)  trend and seasonal pattern 
D)  cyclical pattern

The model that assumes that the actual time series value is the product of its components is the _____.

The trend pattern is easy to identify by using _____.

The time series pattern that reflects a gradual shift or movement to a relatively higher or lower level over a longer time period is called the _____.

In the linear trend equation, T = b₀ + b_1t, b₀ represents the _____.

The forecasting method that is appropriate when the time series has no significant trend, cyclical, or seasonal effect is _____.

In the linear trend equation, T_t = b₀ + b₁t b₁ represents the ______.

The time series pattern showing an alternating sequence of points below and above the trend line lasting more than one year is the _____.

Data and Statistics

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

Nonparametric Methods

Statistical Methods for Quality Control

Decision Analysis

Sample Survey

Filters

Exam 17: Time Series Analysis and Forecasting

The model that assumes that the actual time series value is the product of its components is the _____.

The trend pattern is easy to identify by using _____.

The time series pattern that reflects a gradual shift or movement to a relatively higher or lower level over a longer time period is called the _____.

In the linear trend equation, T = b0 + b1t, b0 represents the _____.

The forecasting method that is appropriate when the time series has no significant trend, cyclical, or seasonal effect is _____.

In the linear trend equation, Tt = b0 + b1t b1 represents the ______.

The time series pattern showing an alternating sequence of points below and above the trend line lasting more than one year is the _____.

Data and Statistics

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

Nonparametric Methods

Statistical Methods for Quality Control

Decision Analysis

Sample Survey

Filters

In the linear trend equation, T = b₀ + b_1t, b₀ represents the _____.

In the linear trend equation, T_t = b₀ + b₁t b₁ represents the ______.