STA301 Quiz No.2 Shared by Zaman

Question # 1 of 10 ( Start time: 08:07:10 PM ) Total Marks: 1
Correlation coefficient between two variables is calculated as 0.40, it represents:
Select correct option:
Weak linear relationship between variables                        ok
High linear relationship between variables
Zero relationship between variables
Square linear relationship between variables


Question # 2 of 10 ( Start time: 08:07:10 PM ) Total Marks: 1
Formula for Semi Interquartile Range is:
Select correct option:
(Q3-Q1)/2
(Q1+Q3)/2
(Q1-Q3)                                ok
(Q1+Q3


Question # 3 of 10 ( Start time: 08:07:10 PM ) Total Marks: 1
If A and B are mutually exclusive events and P (A) = 4/36 and P (B) = 6/36, then P(AUB) will be
Select correct option:
11/36
10/36
5/36
9/36


Question # 4 of 10 ( Start time: 08:07:10 PM ) Total Marks: 1
Co-efficient of standard deviation multiplied by 100 gives:
Select correct option:
Co-efficient of variation                                ok
Co-efficient of difference
Absolute measure
All are correct


Question # 5 of 10 ( Start time: 08:10:56 PM ) Total Marks: 1
The deviation of a distribution from symmetry is called:
Select correct option:
Kurtosis                                ok
Skewness
Dispersion
Flatness


Question # 6 of 10 ( Start time: 08:07:10 PM ) Total Marks: 1
P(event)= No. of favorable outcomes/total no. of outcomes is a definition of:
Select correct option:
Subjective Approach
Objective Approach
Normal event
Binomial event


Question # 7 of 10 ( Start time: 08:07:10 PM ) Total Marks: 1
In a Box and Whisker plot, right end of the box is referred to as:
Select correct option:
First quartile
Second quartile
Third quartile                     ok
Mode


Question # 9 of 10 ( Start time: 08:14:31 PM ) Total Marks: 1
Relative measures of dispersion can be used for:
Select correct option:
Comparison of two data sets
Adjusting minimum value
Adjusting maximum value
Adjusting both minimum and maximum values


Question # 10 of 10 ( Start time: 08:07:10 PM ) Total Marks: 1
A card is drawn from a pack of 52 cards. The probability of getting a queen of club or a king of heart is:
Select correct option:
1/13                       ok
2/13
1/26
1/52