
1)
How many number of times will the digit ‘7' be written when listing the integers from 1 to 1000?
 A) 271
 B) 300
 C) 252
 D) 304

2)
The moving averages represent 
 A) Time series variations
 B) Coefficient of variations
 C) Statistical Dispersion
 D) Absolute deviation

3)
The class frequency is
 A) The number of observations in each class
 B) The difference between consecutive lower class limits
 C) Always contains at least 5 observations
 D) Usually a multiple of the lower limit of the first class

4)
If the regression equation is equal to 23.6  54.2X, then 23.6 is the _________ while 54.2 is the ________ of the regression line.
 A) slope, intercept
 B) intercept, slope
 C) slope, regression coefficient
 D) radius, intercept

5)
If mean scores of midterm and final term of a student is 78% and 80%. Also variances are 106 and 77 then
 A) Midterm has greater variation in marks than Final term
 B) Final term has greater variation in marks than Midterm
 C) No variation in midterm and final term marks

6)
The correlation coefficient between x and y shows
 A) Whether y depends on x
 B) Whether y depends on x
 C) whether there is any relation between x and y
 D) whether there is a linear relation between x and y

7)
The equation of the regression line is 2y + 5x  3 = 0. What will be the slope and intercept of the line?
 A) slope = 5, intercept = 3
 B) slope = 5, intercept = 3
 C) slope = 2.5, intercept = 1.5
 D) slope = 2.5, intercept = 1.5

8)
Which is incorrect?
 A) The mode is a measurement that records value
 B) A bar graph is same as line graph
 C) A mean may cause distortions
 D) A circle graph is based on 360∞

9)
Which one of the following is not a component of the multiplicative time series model
 A) trend
 B) irregular variation
 C) regression trend
 D) seasonality

10)
Break Even point is a point at which neither a profit nor  is made.
 A) Gain
 B) Loss
 C) Sale
 D) cost