STA301 Quiz No.2 Shared by Shahbaz

Question # 1 of 10 ( Start time: 07:33:52 PM ) Total Marks: 1
In a multiplication theorem P (A and B) equals(when events are not independent):
Select correct option:
P (A) P (B)
P (A) + P (B)
P (A) * P (B|A)                  ok
P (A) + P (B)-P (AuB)


Question # 2 of 10 ( Start time: 07:35:02 PM ) Total Marks: 1
In a right skewed distribution,
Select correct option:
Xm-Q3 greater than Q1-X0                          ok
Xm-Q3 greater and equal to Q1-X0
Xm-Q3 less than Q1-X0
Xm-Q3 less and equal to Q1-X0


Question # 3 of 10 ( Start time: 07:35:31 PM ) Total Marks: 1
Relative measure of dispersion for range is:
Select correct option:
Semi-inter quartile range                            
Half Range
Mid Range                          ok
Co-efficient of dispersion


Question # 4 of 10 ( Start time: 07:36:27 PM ) Total Marks: 1
In a linear regression, Y=a+bX, the variable “X” will always:
Select correct option:
A random variable
A non-random variable                 ok
Qualitative variable        
Quantitative variable


Question # 5 of 10 ( Start time: 07:36:53 PM ) Total Marks: 1
Probability of an impossible event is always:
Select correct option:
Less than one
Greater than one
Between one and zero
Zero                       ok


Question # 6 of 10 ( Start time: 07:37:54 PM ) Total Marks: 1
Pearson’s coefficient of skewness cannot be used when standard deviation is:
Select correct option:
1
1.5
0
3


Question # 7 of 10 ( Start time: 07:38:29 PM ) Total Marks: 1
If a player selected a card from a well shuffles the pack of 52 playing cards then the probability of number 10 card is equals to:
Select correct option:
10/52
1/52
26/52
4/52                       ok


Question # 8 of 10 ( Start time: 07:39:51 PM ) Total Marks: 1
One card is drawn at random from a pack of 52 cards. What is the probability that the card drawn is a face card (Jack, Queen and King only)?
Select correct option:
1/13                       ok
3/13
1/4
9/52


Question # 9 of 10 ( Start time: 07:41:13 PM ) Total Marks: 1
In scatter diagram, the variable plotted along Y-axis is:
Select correct option:
Independent variable
Dependent variable                        ok
Continuous variable
Discrete variable


Question # 10 of 10 ( Start time: 07:42:08 PM ) Total Marks: 1
In a Box and Whisker plot, Box is divided into:
Select correct option:
One part
Two parts                            ok
Three parts
Four parts