Skip to main content

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

Comments

Post a Comment

Please give us your feedback & help us to improve this site.

Popular posts from this blog

CS614 Quiz No.4 Shared by Princess (solved), Spring 2014

  “What means What”. The phrase refers to: Select correct option:  Meta data  External data Transformed data Internal representations Question # 2 of 10 Which of the following is NOT one of the activities of “Maintenance and Growth” phase in Kimball’s DWH development approach? Select correct option: Education Technical Education Program Support  Interface Deployment                 Question # 3 of 10 Horizontally wide data means: Select correct option: Dataset has large no. of attributes Dataset has large no. of records Dataset has attribute skews Dataset has partitioning skews                 Question # 4 of 10 Which of the following is NOT one of the top-10 mistakes that should be avoided during DWH development? Select correct option: Not interacting directly with end ...
1 comment
Read more

CS614 Quiz No.4 Shared by MT Khan (Solved)

Question # 1 of 10 ( Start time: 09:04:39 PM ) Total Marks: 1 A typical cycle of implementing the change in DWH comprises of the sequence: Select correct option: Production -> QA -> Development Development-> QA -> Production(CORRECT) Development -> Production -> QA Production -> Development -> QA Question # 2 of 10 ( Start time: 09:05:16 PM ) Total Marks: 1 Vertically wide data means: Select correct option: Dataset has large no. of attributes Dataset has large no. of records(CORRECT) Dataset has attribute skews Dataset has partitioning skews Question # 3 of 10 ( Start time: 09:05:43 PM ) Total Marks: 1 In ___________ phase of kimballs approach, we identify the components needed now and in future. Select correct option: Requirement definition Architectural design Product development Analytical application development Question # 4 of 10 ( Start time: 09:06:56 PM ) Total Marks: 1 Technical architecture design supports the communicat...
2 comments
Read more

CS614 Quiz No.3 Shared by Students (Solved), Spring 2014

______ index stores first value in each block in the sequential file and a pointer to the block.  Select correct option:   Dense  Sparse  B-Tree  Hash In context of data parallelism, the work done by query processor should be:  Select correct option:  Almost zero  Maximum  Pipelined  Filtered across partitions The optimizer uses a hash join to join two tables if they are joined using an equijoin and  Select correct option:   Outer table has less number of rows  Inner table has less number of rows  Cardinality of tables is equal  Large amount of data needs to be joined Bitmap index is appropriate for:  Select correct option:  Low cardinality data  High cardinality data  Clustered data  Aggregated data If a task takes “T” time units to execute on a single data item, then execution of this task on “N” data items will take __...
Post a Comment
Read more