Results obtained from larger sample sizes are more reliable.
13. Question 13 Results obtained from larger sample sizes are more reliable. 1 point True False
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The change in daily price of a stock is what type of variable?
3. Question 3 The change in daily price of a stock is what type of variable? 1 point Ordinal Quantitative Qualitative Random…
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The dependent variable in a scatter plot is on the x-axis.
19. Question 19 The dependent variable in a scatter plot is on the x-axis. 1 point True False
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Based on the pie chart shown here, “other sources” made up a relatively smaller proportion of US electricity sources as compared to wood fuels.
17. Question 17 Based on the pie chart shown here, “other sources” made up a relatively smaller proportion of US electricity sources as compared to wood fuels. Figure 2: The…
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Pie charts are not as useful as bar graphs as they do not take into account all possible categories.
16. Question 16 Pie charts are not as useful as bar graphs as they do not take into account all possible categories. 1 point True False
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The number of measurements falling within a class interval is called the:
9. Question 9 The number of measurements falling within a class interval is called the: 1 point Frequency Cumulative sum Height Relative frequency
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When we wish to summarize the proportion (or fraction) of items in a class we use the frequency distribution for each class.
7. Question 7 When we wish to summarize the proportion (or fraction) of items in a class we use the frequency distribution for each class. 1 point True …
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Which of the following is a categorical variable?
2. Question 2 Which of the following is a categorical variable? 1 point Bank account balance Daily sales in a store Whether a person has a college…
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Nominal variables are:
1. Question 1 Nominal variables are: 1 point Categorical without implying order Numerical and can be multiplied and divided Categorical and can be ordered Numerical and…
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Based on the pie chart shown here, wind sources made _____________ percent of US electricity sources in 2009.
17. Question 17 Based on the pie chart shown here, wind sources made _____________ percent of US electricity sources in 2009. Figure 2: The graph is a pie chart that…