Sales Are Tracked During the Past Year in the Graph

question 32

Multiple Choice

Sales are tracked during the past year in the graph below. What would be the most effective strategy to allow management to more clearly discern monthly trends in sales?

• A)Remove the total value from being included in the graph.
• B)Have the axis on the left show more detailed grid lines between 0 and 100
• C)Show the trend line in a more vivid color.
• D)Add labels to each of the graphed data points.
• E)Add minor grid lines throughout the graph making values more clear.

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Definitions:

Critical Value

The threshold value that a test statistic must exceed to reject the null hypothesis in a statistical test, determined by the significance level of the test.

Significance Level

The probability of rejecting the null hypothesis in a statistical test when it is actually true, often denoted by alpha (α) and typically set at 0.05, 0.01, etc.

Sample Observation

An individual data point collected from a sample that is used for analysis and making inferences about the population.

Population Variance

A measure of the dispersion of all data points in a population from the population mean, indicating the diversity within the population.