IBA -Quiz

Linear Regression is a technique used for

• Descriptive

• Prescriptive

• Predictive

• None of these

• Diagnostic

.........................................give the best decision subject to constraints of the situation

• Optimization models

• Linear Regression

• Data Query

• Dashboard

............................................ for a positive skewed distribution

• Mean = Median = Mode

• Mean <Median < Mode

• Mean > Median > Mode

• Mean > Median < Mode

What is the median of the data ?

• 5

• 10

• 16

• 23

Lowest Value of the data

• 5

• 7

• 10

• 26

What is quartile 1 and quartile 3 of the data

• 10,23

• 5,10

• 10,24

• 10,26

Calculate the interquartile range

• 6

• 10

• 4

• 9

..........are formed by specifying the ranges used to group the data

• bins

• variance

• standard deviation

• beta

What is the value of the lower quartile?

• 12

• 2

• 18

• 11

Look at these two box plots and choose the incorrect statement:

• A and B have the same median.

• A and B have the same range.

• The maximum value of B is larger than the maximum value of A.

• The interquartile range of A is smaller than the interquartile range of B.