Tag: simple moving average
Questions Related to simple moving average
Bira and his wife Sheena have two daughters aged $12$ and $16$. Sheena's mother and father, aged $65$ and $72$, also live with them. Bira is currently looking for work, but can't find any. His elder daughter completed class $10$ and prefers to look for work. Sheena prefers to stay at home to look after house works. How many unemployed members does Bira's family have?
A qualitative forecast
Two pipes A and B can fill a tank in 20 and 30 minutes respectively. If both the pipes are used together, then how long will it take to fill the tank?
The first step in time-series analysis is to
In moving average method, we cannot find the trend values of some:
The method of least squares dictates that we choose a regression line where the sum of the square of deviations of the points from the line is:
In simple linear regression, the numbers of unknown constants are:
If one regression coefficient is greater than one, then other will be:
The purpose of simple linear regression analysis is to:
Ayushi used the data from a scatterplot to determine a regression model showing the relationship between the population in the area where she lived and the number of years, $x$, after she was born. The result was an exponential growth equation of the form $y={x} _{0}{\left(1+r\right)}^{x}$. Then ${x} _{0}$ most likely represents
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