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Explanation: A type of home loan extended to individuals with poor, incomplete, or nonexistent credit  histories. Because the borrowers in that case present a higher risk  for lenders, subprime mortgages  typically charge higher interest  rates than standard (prime) mortgages. The most common type of subprime mortgage contract offered in the United States is the adjustable rate mortgage (ARM), which charges a fixed interest rate for an initial period and a floating interest rate thereafter. The floating rate may be based on an index such as the federal funds rate , which is the rate at which banks  lend money to each other overnight. The sharp increase in subprime lending  that occurred in the United States beginning in the late 1990s was primarily fueled by subprime mortgages. According to the Federal Reserve , the share of subprime mortgages among all home loans in the country increased from about 2.5 percent per year in the late 1990s to about 15 percent per year in 2004–07. One reason for the increase was aggressive marketing by mortgage brokers, who were paid commissions on the basis of the quantity, not the quality, of the loan contracts they sold.
For the study purpose, the mean of the observations is 148 gm and standard deviation is 17.4 gm. Approximately, the coefficient of variation equals to:
Following two statements are related to regression coefficient
(I) Independent of the change of origin
(II) Independent of the change of scale
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For the recorded observation, the coefficient of variation is 0.2 and the variance is 16. The arithmetic mean is:
If the random sample of size n is drawn without replacement from a finite population of size N, the correction factor for standard error of sample mean...
Two data set of size 9 and 6 have standard deviation 3 and 4 respectively and arithmetic means 3 and 3 respectively. The standard deviation of combined...
The arithmetic mean of the following frequency distribution of number of accidents X on week working days is:
X:Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â...
The grouped data for the observation are as follows.
Class :Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 2-4Â Â Â Â Â Â Â Â 4-6Â Â Â Â Â Â Â Â Â 6-8...
Five persons A, B, C, D and E occupy seats in a row at random. The probability that A and B sit next to each other is: