Author Question: What percentage of measurements would you expect to be between 71.60 and 99.48? What will be an ... (Read 60 times)

drink · **on:** Jun 24, 2018

What percentage of measurements would you expect to be between 71.60 and 99.48?

What will be an ideal response?

Question 2

The simple exponential smoothing model is most appropriate for a time series that is:

A) seasonal and has no consistent upward or downward trend.
B) seasonal and has a consistent upward or downward trend.
C) nonseasonal and has a consistent upward or downward trend.
D) nonseasonal and has no consistent upward or downward trend.

TDubDCFL · **Reply #1 on:** Jun 24, 2018

Answer to Question 1

Since the distribution appears to be relatively bell-shaped, the Empirical Rule applies. The interval (71.60, 99.48 ) represents 2 standard deviations from the mean, so one would expect approximately 95 of the measurements to lie within this interval.

Answer to Question 2

D