The mean duration of the series : a,a+d,a+2d,………,a+2n from its mean is

Related MCQs

• The median of a series is 10. Two additional observations 8 and 15 are added to the series. The median of the new series will be ____________________
• Find the sum of the duration of the variable values 3,4,6,8,14 from their mean
• If the mean ages of a group of boys is 20 years, then the mean of their ages after 2 years is __________
• The mean of a observation is x. If k is added to each observation then new mean is_______________
• If all the values of a series are multiplied by 5 what happens to the S.D
• A time series consists of
• The forecarts on the bacis of a time series are
• The component of a time series attached to long term variations is termed as:
• The component of a time series which is attached to short term fluctuations is
• A lock-out in a factory for a month is associated with the component of a time series is :