CAT 2021: How Scaled CAT Score will be Calculated for Three Slots?

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Vipra
Vipra Shrivastava
Senior Manager - Content
Updated on Nov 24, 2021 16:07 IST

IIMCAT has shared the formula of Scaled CAT Score calculation for three different slots this year. Read below to understand the CAT scaled score calculation process.

CAT score calculation

CAT exam is being conducted in three slots instead of two this year as well. The decision has been made keeping in mind the COVID-19 pandemic situation and related safety guidelines. The CAT exam duration of 120 minutes has also been retained.

CAT 2021 will be conducted on November 28 at multiple exam centres in 159 cities across India. The exam timings are: Slot 1 – 8:30 AM to 10:30 AM, Slot 2 – 12:30 PM to 2:30 PM and Slot 3 – 4:30 PM to 6:30 PM. There will be a gap of two hours between the exam shifts to allow sanitation of the exam centre, social distancing and staggered entry of students.

Following some changes in CAT exam pattern, there will be a slight change in calculation of CAT score. Since this time the CAT score will be normalized for performances of not two but three slots, the exam authorities have released a document explaining Scaled Score calculation of CAT 2022.

Scaled CAT Score Calculation for All Three Slots

IIMCAT has shared the formula of scaled CAT score calculation of students appearing in the exam in three different slots this year. In the process below, the CAT scaled score calculation has been explained with the example of QA section, same methodology is applied for scaled score calculation for VARC and DILR. If any candidate’s scaled score is more than 100, it will be rounded down to 100.

Step 1: Calculate the Mean (M) and the Standard Deviation (SD) of the raw scores in QA section for all candidates appearing in the morning session. Let Mean = M1 and SD = S1 and G1 = M1 + S1.

Step 2: Calculate the Mean (M) and the Standard Deviation (SD) of the raw scores in QA section for all candidates appearing in the afternoon session. Let Mean = M2 and SD = S2 and G2 = M2 +S2.

Step 3: Calculate the Mean (M)  and the Standard Deviation (SD) of the raw scores in QA section for all candidates appearing in the evening session. Let Mean = M3 and SD = S3 and G3 = M3 + S3.

Step 4: Calculate the Mean (M) and the Standard Deviation (SD) of the raw scores in QA section for all candidates appearing in CAT (i.e. including all the three sessions). Let Mean = M and SD = S and G = M + S.

Step 5: Calculate the Mean (M) raw score in QA section of the top 0.1% candidates in the morning session and denote it by M10.1 

Step 6: Calculate the Mean (M) raw score in QA of top 0.1% candidates in the afternoon session and denote it by M20.1

Step 7: Calculate the Mean (M) raw score in QA of top 0.1% candidates in the evening session and denote it by M30.1

Step 8: Calculate the Mean (M) raw score in QA of top 0.1% candidates appearing in CAT (i.e. considering all the three sessions) and denote it by M0.1.

Suppose now XYZ is a candidate who appeared in the morning session and her raw score in QA section is R. Then the scaled score of XYZ in QA, say r given by:

r = (RG1 ) M0.1G

-------------------------------- + G

M10.1G1

In case XYZ is a candidate who appeared in the afternoon session and her raw score in QA section is R. Then the scaled score of XYZ in QA, say r given by:

r = (RG2 ) M0.1G

---------------------------------------- + G

M20.1G2

In case XYZ is a candidate who appeared in the evening session and her raw score in QA section is R. Then the scaled score of XYZ in QA, say r given by:

r = (RG3 ) M0.1G

----------------------------------- + G

M30.1G3

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About the Author
Vipra Shrivastava
Senior Manager - Content

Vipra is a binge TV watcher and a massive Breaking Bad fan. When not watching TV, she spends time in updating the list of places she wants to visit and people she wants to meet, but she is happiest in the company of... Read Full Bio

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