An exponential trend pattern occurs when a. the amount of ...

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An exponential trend pattern occurs when
 a. the amount of increase between periods in the value of the variable is constant.
  b. the percentage change between periods in the value of the variable is relatively constant.
  c. there is a no relationship between the time series variable and time.
  d. there are random fluctuations in the variable value with time.

Question 2

An alternative for a stacked column chart when comparing more than a couple of quantitative variables in each category is a
 a. stacked bar chart. b. clustered column chart.
  c. pie chart. d. clustered bar chart.

[chem1s3]

Answer to Question 1

b
RATIONALE: An exponential trend pattern is appropriate when the percentage change of variable value from one period to the next is relatively constant.

Answer to Question 2

b
RATIONALE: Experts often recommend against the use of stacked column bar charts for more than a couple of quantitative variables in each category. An alternative chart for these same data is called a clustered column (or bar) chart.

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TYSM

[Bigfoot1984]

Excellent