Q12 a) Discuss the difference between vertical scaling and horizontal scaling. [2 Marks] b) Compare SQL Database and NoSQL Database in the aspect of scaling. [2 Marks]

Q9 Q10 Q11 An analyst wants to study how the rate for applying lots for 1 lot is affected by the oversubscription rate. The data for the past Five IPO in the same market are listed below: No. of lots apply for 1 lot Determine the linear regression equation of the relationship and estimate the number of lots applied to obtain 1 lot if the oversubscription rate is 3.5 successfully. [9 Marks] With the aid of a diagram, discuss the three steps of visual processing [6 Marks] a) Create a variable CM to store information of the following confusion matrix with the values specied using R statement(s): [4 Marks] Actual -i- b) Create an R function EXAM2022 to insert a 2x2 confusion matrix and a character as input and return the accuracy of the confusion matrix as the output if the character inserted is A, and return NULL for all other characters [7 Marks] c) Write an R script using the while loop to calculate the value of the following sum: product = l + (1/2) + (1.8) + (114) + +(11'50) [4 Marks]