17. Question 17 x-bar (x̄), i.e., “standard error,” of a distribution is calculated by taking the population standard deviation and dividing it by the square root of 5 times n…
13. Question 13 Results obtained from larger sample sizes are more reliable. 1 point True False
3. Question 3 The change in daily price of a stock is what type of variable? 1 point Ordinal Quantitative Qualitative Random…
19. Question 19 The dependent variable in a scatter plot is on the x-axis. 1 point True False
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…
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
9. Question 9 The number of measurements falling within a class interval is called the: 1 point Frequency Cumulative sum Height Relative frequency
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 …
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…
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…
