1.
From the time series plot above, which options below best describe the features of the plot?
Correct Answer(s)
A. Increasing Trend
C. Seasonal Variation
D. Random\Irregular Variation
Explanation
The time series plot shows a consistent upward movement over time, indicating an increasing trend. Additionally, there are repeated patterns or cycles in the data, suggesting the presence of seasonal variation. Furthermore, there are fluctuations that do not follow a specific pattern, indicating random or irregular variation. Therefore, the plot exhibits an increasing trend, seasonal variation, and random/irregular variation.
2.
From the time series plot above, which options below best describe the features of the plot?
Correct Answer(s)
A. Increasing Trend
C. Seasonal Variation
D. Random\Irregular Variation
Explanation
The time series plot above shows an increasing trend, as the values are generally rising over time. Additionally, there is evidence of seasonal variation, as there are regular patterns or fluctuations that occur at certain intervals. There is also random or irregular variation present, as there are fluctuations that are not explained by the trend or seasonality. However, it is not possible to determine if there are outliers or structural changes based on the given information.
3.
From the time series plot above, which options below best describe the features of the plot?
Correct Answer(s)
A. Increasing Trend
C. Seasonal Variation
D. Random\Irregular Variation
Explanation
The time series plot shows an upward trend, indicating an increasing trend over time. Additionally, there are noticeable fluctuations that occur at regular intervals, suggesting the presence of seasonal variation. Furthermore, there are random or irregular variations in the data points, indicating some level of unpredictability. However, there is no indication of a decreasing trend, outliers, or structural change in the plot.
4.
From the time series plot above, which options below best describe the features of the plot?
Correct Answer(s)
B. Decreasing Trend
C. Seasonal Variation
D. Random\Irregular Variation
Explanation
The time series plot above shows a decreasing trend as the values gradually decrease over time. Additionally, there is evidence of seasonal variation as the plot exhibits regular patterns or fluctuations that occur at consistent intervals. Furthermore, there are random or irregular variations observed in the plot, indicating that there are unpredictable fluctuations that do not follow any specific pattern. However, the presence of outliers or structural changes cannot be determined based on the given information.
5.
From the time series plot above, which options below best describe the features of the plot?
Correct Answer(s)
B. Decreasing Trend
C. Seasonal Variation
E. Random Variation
Explanation
The time series plot shows a clear decreasing trend, as the data points consistently decrease over time. Additionally, there is evidence of seasonal variation, as there are regular patterns or cycles in the data. There is also random variation present, as the data points do not follow a strict pattern and fluctuate randomly. However, there is no evidence of a discontinuous structural change or outliers in the plot.
6.
From the time series plot above, which options below best describe the features of the plot?
Correct Answer(s)
A. Increasing Trend
C. Seasonal Variation
E. Random Variation
Explanation
The time series plot shows an upward trend, indicating an increasing trend over time. Additionally, there is evidence of seasonal variation, as there are regular patterns or cycles observed. The plot also exhibits random variation, with fluctuations that do not follow a specific pattern. However, there is no indication of a decreasing trend or discontinuous structural change. Outliers, which are extreme values that deviate significantly from the overall pattern, are not evident in the plot.
7.
From the time series plot above, which options below best describe the features of the plot?
Correct Answer(s)
A. Increasing Trend
C. Seasonal Variation
E. Random Variation
Explanation
The time series plot shows a consistent upward movement over time, indicating an increasing trend. Additionally, there are regular patterns that repeat at certain intervals, suggesting the presence of seasonal variation. There are also fluctuations that do not follow any specific pattern, indicating random variation. However, there is no evidence of a decreasing trend, discontinuous structural change, or outliers in the plot.
8.
From the time series plot above, which options below best describe the features of the plot?
Correct Answer(s)
A. Increasing Trend
C. Seasonal Variation
E. Random Variation
Explanation
The time series plot shows a clear upward trend, indicating an increasing trend. Additionally, there are regular patterns of variation that occur at specific intervals, suggesting the presence of seasonal variation. There are also random fluctuations in the data points, indicating random variation. However, there is no evidence of a decreasing trend, discontinuous structural change, or outliers in the plot.
9.
From the time series plot above, which options below best describe the features of the plot?
Correct Answer(s)
B. Decreasing Trend
C. Seasonal Variation
E. Random/Irregular Variation
Explanation
The time series plot shows a clear decreasing trend, as the values are consistently decreasing over time. Additionally, there is evidence of seasonal variation, as there are regular patterns or cycles that occur at certain time intervals. Furthermore, there is random/irregular variation present, as there are fluctuations in the data that do not follow a specific pattern. However, there is no evidence of a discontinuous structural change or outliers in the plot.
10.
From the time series plot above, which options below best describe the features of the plot?
Correct Answer(s)
B. Decreasing Trend
D. Random Variation
Explanation
Not seasonal because the change does not occur inside a 1 year span. Look at the time scale on the x axis.
11.
From the time series plot above, which options below best describe the features of the plot?
Correct Answer(s)
B. Decreasing Trend
C. Seasonal Variation
D. Random Variation
Explanation
The time series plot shows a pattern of decreasing trend, as the values gradually decrease over time. It also exhibits seasonal variation, with regular fluctuations that occur at specific intervals. Additionally, there is random variation present, as the data points do not follow a specific pattern and show some level of randomness. However, there is no evidence of a discontinuous structural change or outliers in the plot.
12.
From the time series plot above, which options below best describe the features of the plot?
Correct Answer(s)
B. Decreasing Trend
C. Seasonal Variation
D. Random Variation
Explanation
The time series plot shows a decreasing trend, as the values gradually decrease over time. It also exhibits seasonal variation, with regular patterns of increase and decrease repeating at fixed intervals. Additionally, there is random variation present, as the data points do not follow a specific pattern or trend. However, there is no evidence of a discontinuous structural change or outliers in the plot.
13.
From the time series plot above, which options below best describe the features of the plot?
Correct Answer(s)
B. Decreasing Trend
C. Seasonal Variation
D. Random Variation
Explanation
The time series plot shows a clear decreasing trend, as the values consistently decrease over time. Additionally, there are evident seasonal variations, with regular patterns repeating at certain intervals. There is also random variation present, as the data points do not follow a strict pattern and show some level of randomness. However, there is no evidence of a discontinuous structural change or outliers in the plot.
14.
From the time series plot above, which options below best describe the features of the plot?
Correct Answer(s)
B. Decreasing Trend
C. Seasonal Variation
D. Random Variation
Explanation
The time series plot shows a decreasing trend, as the data points generally decrease over time. It also exhibits seasonal variation, as there are regular patterns that repeat at certain intervals. Additionally, there is random variation present, as the data points do not follow a strict pattern and show some degree of randomness. There is no evidence of a discontinuous structural change or outliers in the plot.
15.
From the time series plot above, which options below best describe the features of the plot?
Correct Answer(s)
A. Increasing Trend
C. Seasonal Variation
D. Random Variation
Explanation
The time series plot shows a gradual increase in values over time, indicating an increasing trend. Additionally, there are recurring patterns or fluctuations at regular intervals, suggesting the presence of seasonal variation. Moreover, there are no clear patterns or trends in the residual values, indicating random variation. However, there is no evidence of a sudden and significant change in the structure of the plot or the presence of outliers.
16.
From the time series plot above, which options below best describe the features of the plot?
Correct Answer(s)
A. Increasing Trend
C. Seasonal Variation
D. Random Variation
Explanation
The time series plot shows an overall increasing trend, as the values gradually increase over time. Additionally, there is evidence of seasonal variation, with repeated patterns occurring at regular intervals. There is also random variation present, as the values fluctuate around the trend line. However, there is no indication of a decreasing trend, discontinuous structural change, or outliers in the plot.
17.
From the time series plot above, which options below best describe the features of the plot?
Correct Answer(s)
B. Decreasing Trend
D. Random Variation
Explanation
The time series plot above shows a clear decreasing trend, as the values decrease over time. Additionally, there is random variation present, as the values appear to fluctuate without a clear pattern. However, there is no evidence of seasonal variation, outliers, or discontinuous structural change in the plot.
18.
From the time series plot above, which options below best describe the features of the plot?
Correct Answer(s)
B. Decreasing Trend
D. Random Variation
Explanation
The time series plot shows a consistent decrease in values over time, indicating a decreasing trend. Additionally, there are fluctuations in the data that do not follow a specific pattern, suggesting random variation. Therefore, the features of the plot include a decreasing trend and random variation.
19.
From the time series plot above, which options below best describe the features of the plot?
Correct Answer(s)
A. Increasing Trend
D. Random\Irregular Variation
Explanation
The time series plot shows a consistent upward movement, indicating an increasing trend. Additionally, there are fluctuations and irregularities in the data points, suggesting random or irregular variation.
20.
From the time series plot above, which options below best describe the features of the plot?
Correct Answer(s)
A. Increasing Trend
D. Random Variation
Explanation
The time series plot shows a consistent upward movement over time, indicating an increasing trend. Additionally, there are irregular fluctuations in the data points, suggesting random variation. Therefore, the features of the plot can be described as having an increasing trend and random variation.
21.
From the time series plot above, which options below best describe the features of the plot?
Correct Answer(s)
A. Increasing Trend
D. Random Variation
Explanation
The time series plot shows a consistent upward movement over time, indicating an increasing trend. Additionally, there are fluctuations and irregularities in the data points, suggesting random variation. Therefore, the features of the plot can be described as having an increasing trend and random variation.
22.
From the time series plot above, which options below best describe the features of the plot?
Correct Answer(s)
D. Random Variation
E. Discontinuous Structural Change
Explanation
The time series plot shows random variation because there is no clear trend or pattern in the data. Additionally, there is evidence of a discontinuous structural change, as there are abrupt and significant changes in the plot. However, there is no indication of increasing or decreasing trend, seasonal variation, or outliers.
23.
From the time series plot above, which options below best describe the features of the plot?
Correct Answer(s)
D. Random Variation
E. Discontinuous Structural Change
Explanation
The time series plot shows random variation, as there is no clear pattern or trend in the data points. Additionally, there is evidence of a discontinuous structural change, indicated by abrupt shifts or breaks in the plot. However, there is no indication of increasing or decreasing trend, seasonal variation, or outliers in the plot.
24.
From the time series plot above, which options below best describe the features of the plot?
Correct Answer(s)
D. Random Variation
F. Outliers
Explanation
The time series plot shows no clear pattern or trend, indicating random variation. Additionally, there are a few data points that deviate significantly from the overall pattern, suggesting the presence of outliers.
25.
Correct Answer(s)
D. Random Variation
F. Outliers
26.
Which options below best describe the time series plot above?
Correct Answer(s)
A. Increasing Trend
D. Random Variation
F. Outliers
Explanation
The time series plot above shows an increasing trend, as the data points generally rise over time. There is also random variation, as there are fluctuations and irregularities in the data that do not follow a specific pattern. Additionally, there are outliers, which are data points that significantly deviate from the overall trend.