Final Term Exam Fall 2008 MTH302
Question No: 1 ( Marks: 1 ) - Please choose one
The value of c2 is always ------------------
? Positive
? Negative
? 0
? None of these
Question No: 2 ( Marks: 1 ) - Please choose one
Which of the following indicates a strong positive correlation.
? r = 0
? r = -0.793
? r = 0.913
? r = 0.45
Question No: 3 ( Marks: 1 ) - Please choose one
Binomial expansion for
( x3- 2y 0)
is equal to
? 1
?
( x3- 2y )
?
( ´0 x3- 2y )
?
( x3- 0´y2 )
Question No: 4 ( Marks: 1 ) - Please choose one
New forecast =……
? Old forecast + proportion of errora..
? Old forecast - proportion of error a
? Old forecast * proportion of error a
? Old forecast / proportion of error a
Question No: 5 ( Marks: 1 ) - Please choose one
Which is the correct syntax for the determinant of a matrix given
by the following array
? =DETERM(B4:E7)
? =MDTERM(B4:E7)
? =MDETERM(B4:E7)
? =MDETERM(B4;E7)
Question No: 6 ( Marks: 1 ) - Please choose one
If C is the cost and S is the selling price of a certain item then
the formula for its markup is given by
? (S-C)/S *100%
? (S-C)/C *100%
? (C-S)/S *100%
? (C-S)/C *100%
Question No: 7 ( Marks: 1 ) - Please choose one
There is an investment of _________ of basic salary on behalf of the
employee in Provident Fund
? 1/11th
? 2/11th
? 3/11th
? 5/11th
Question No: 8 ( Marks: 1 ) - Please choose one
VDB returns the depreciation of an asset for
? Zero period
? One period
? Two period
? Any arbitrary period
Question No: 9 ( Marks: 1 ) - Please choose one
Solve x - 16 = 12 for x.
? 4
? 28
? -4
? -28
Question No: 10 ( Marks: 1 ) - Please choose one
Syntax for the Poisson distribution is
? POISSON(x, mean, cumulative)
? POISSON(x, mode, cumulative)
? POISSON(x, median, cumulative)
? POISSON(x, y, mean, cumulative)
Question No: 11 ( Marks: 1 ) - Please choose one
Men tend to marry women who are slightly younger than themselves.
Suppose that every man married a woman who was exactly .5 of a year
younger than themselves. Which of the following is CORRECT?
? The correlation is -.5.
? The correlation is .5.
? The correlation is 1.
? The correlation is -1.
? The correlation is 0
Question No: 12 ( Marks: 1 ) - Please choose one
If high or low numbers have a significant effect on a list of numbers, the
----------- may be better than the mean.
? mode
? median
? range
? quartile
Question No: 13 ( Marks: 1 ) - Please choose one
If you invest some amount at an interest rate of 8%, then at the end of
9 years.
What will be the value of Accumulation Factor?
? 12.736
? 12.487
? 12.965
? 12.856
Question No: 14 ( Marks: 1 ) - Please choose one
Which of the following is not a measure of central tendency
? Percentile
? quartile
? standard deviation
? mode
Question No: 15 ( Marks: 1 ) - Please choose one
If the dependent variable increases with the independent variable then
the coefficient of correlation is
? 0 to -1
? 0 to - 0.5
? 0 to -2
? 0 to 1
Question No: 16 ( Marks: 1 ) - Please choose one
There are 5 Rock songs, 6 Carnatic songs and 3 Indian pop songs.
How many different albums can be formed using the above repertoire if
the albums should contain at least 1 Rock song and 1 Carnatic song?
? 15624
? 16384
? 6144
? 240
Question No: 17 ( Marks: 1 ) - Please choose one
In given Qrtly, data the first step in computing seasonal index is
calculating
? 4 qtr moving average
? Discard highest and lowest values
? 4 qtr. Moving total
? 2 qtr. Moving total
Question No: 18 ( Marks: 1 ) - Please choose one
The variance is
? Found by dividing by N by the mean.
? In the same units as the original data.
? Found by squaring the standard deviation
? Calculate by dividing the S.D. with mean
Question No: 19 ( Marks: 1 ) - Please choose one
If many data points are close to the mean, then the standard deviation
is -----------.
? 0
? Small
? Large
? Middle value
Question No: 20 ( Marks: 1 ) - Please choose one
In a linear regression of y on x, y = a + bx,
? the variance of x is constant for all values of y
? a fitted straight line goes through (0, 0)
? Both variables have the same variance
? x is the explanatory variable
Question No: 21 ( Marks: 2 )
The answer of BINIMDIST is #NUM. Give the reason of this error
message.
Question No: 22 ( Marks: 2 )
If Y = a + 2 X, find the value of a when Y = 7 and x = 2.
Question No: 23 ( Marks: 2 )
What is the mode of the following data?
Question No: 24 ( Marks: 3 )
Explain negative binomial distribution.
Question No: 25 ( Marks: 3 )
Construct a sample space S, if you toss a coin THREE times and
observe the sequence of heads ( H ) and tails ( T ) those appears.
Question No: 26 ( Marks: 3 )
Eleven subjects carried out the same task using a pocket calculator.
The times (in seconds) taken were: 69, 75, 83, 58, 95, 72, 86, 88, 77,
79, 90. Find the range & median .
Question No: 27 ( Marks: 5 )
The length of life for a washing machine approximately normally
distributed, with a mean of 4 years and a S.D of 1.5 years. If this
type of washing machine is guaranteed for 12 months. What
percentage of the sale will require replacement?
Question No: 28 ( Marks: 5 )
If Sample space S = {1,2,3,..........,9}, event A ={2, 4, 6, 8} and
event B ={1, 3, 5}
Find the probability of A or B happening.
Question No: 29 ( Marks: 5 )
Find the mean, median, mode, and range for the following list of values:
1, 2, 4, 7
Question No: 30 ( Marks: 10 )
Find the Median , Midhinge , Midrange for the following
data values:
10, 13, 14, 12, 13, 19, 22,23,24