sta301 mid term solve paper spring 2011

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full solve paper in attachment


MIDTERM FALL 2010
STA301
Question No: 1 (Marks: 1) - Please choose one
If a player well shuffles the pack of 52 playing cards, then the probability of a black card
from 52 playing cards is:
►
1
52
►
13
52
►
4
52
►
26
52
Question No: 2 (Marks: 1) - Please choose one
The probability of drawing a ‘jack card ‘from 52 playing cards is:
► 1
52
►
4
52
►
13
52
►
26
52
Question No: 3 (Marks: 1) - Please choose one
In a regression line Y= a + bX, the value of the correlation coefficient will be zero if:
► Intercept a = 0
► Intercept a ≠ 0
► Slope b = 0
► Slope b ≠ 0
Question No: 4 (Marks: 1) - Please choose one
Which one of the following measurement does not divide a set of observations into equal
parts?
► Quartiles
► Deciles
► Percentiles
► Standard deviations