« previous next »

Author Question: In a cumulative percent frequency distribution, the last class will have a cumulative percent ... (Read 228 times)

laurencescou

  • Hero Member
  • *****
  • Posts: 593
on: Jun 24, 2018
In a cumulative percent frequency distribution, the last class will have a cumulative percent frequency equal to
 a. one.
   b. 100.
   c. the total number of elements in the data set.
   d. None of these alternatives is correct.

Question 2

Which of the following forecasting methods puts the least weight on the most recent time series value?
 a. exponential smoothing with  = .3
  b. exponential smoothing with  = .2
  c. moving average using the most recent 4 periods
  d. moving average using the most recent 3 periods


momolu

  • Sr. Member
  • ****
  • Posts: 320
Reply #1 on: Jun 24, 2018
Answer to Question 1

b

Answer to Question 2

b


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

The small-scale distribution of different tree species in a Douglas-fir forest is determined by both The small-scale distribution of different tree species in a Douglas-fir forest is determined by both
Environmental factors restricting the distribution of Chthamalus to the upper intertidal zone. Environmental factors restricting the distribution of Chthamalus to the upper intertidal zone.
World map of the distribution of skin color. World map of the distribution of skin color.
Label used to indicate a class IV controlled substance. Label used to indicate a class IV controlled substance.
Weber's Three Components Of Social Class Weber's Three Components Of Social Class
Convert percent to Fraction Convert percent to Fraction
Video: Chronology of leptin research (A history of leptin research)

For a complete list of videos, visit our video library