GATE 2018 SCORE CALCULATION

NATIONAL LEVEL ONLINE TEST

# GATE 2017 Score Calculation

GATE 2017 Score Calculation - IIT Roorkee will release the GATE 2017 Score card after the result declaration. GATE Result will be declared on March 27, 2017. Candidates can download  their GATE score card from March 27 – May 26, 2017 through official Website. Candidates those who secured marks above the GATE cutoff set by the authority will able to download their GATE score card. GATE score is calculation is done on the basis of normalisation of marks of candidates. As GATE 2017 will be held in multiple sessions too for some papers.

• Normalisation is done for the Multiple session papers like CE, CSE, ME and EE
• GATE score is calculated on the basis of formulae

Post the conduct of the examination, the marks as obtained by the candidate in the examination are calculated. This score is a direct calculation of summation of marks for the correct answers and deduction of negative marks for wrong answers. This score is a raw score for all the candidates. This raw score is then converted into a GATE score with the help of normalization process.

### Calculation of Normalized Marks in GATE

Scores are normalized to take into consideration various variations in the multiple papers as conducted. These variations could be related to various factors and especially the difficulty level of the examination.

This normalization is based on the assumption that in a multi-session GATE Examination, the abilities of the candidates are equally distributed across all the sessions.

This is an important assumption as the number of candidates that appear for multi-examination is generally large and the candidates are randomly allocated these sessions. GATE Exam authorities also make sure that the number of candidates in each session are of same order of magnitude.

### Formulae for Normalization Process

#### Normalization Formula for multi-session examination

The papers for which this normalization is used are CE, CS, EC, EE and ME Papers. These are the exams that are conducted in a multiple session.

Normalized mark (︿Mij) of jth candidate in ith session, is given by
︿Mij = Mgt - Mgq/Mti - Miq ( Mij - Miq ) + Mgq
where,

Mij is the actual marks obtained by the jth candidate in the ith session,

Mgt is the average marks of the top 0.1 % candidates in all sessions of that subject,

Mgq is the sum of mean and standard deviation of marks of all candidates in all sessions of that subject,

Mti is the average of marks of top 0.1 % candidates in the ith session of that subject,

Miq is the sum of mean and standard deviation of marks of all candidates in the ith session of that subject.

Further, the graph can help understand the relationship between the two scores better.

Graph showing the linear relationship between "actual marks" and "normalized marks" of a candidate, in a multiple-session subject (CE, EE, ME, EE or CE) of GATE.
Mgt = average marks of top 0.1 % candidates in all sessions of that subject.
Mgq = mean + standard deviation, of marks of all candidates in all sessions of that subject.
Mti = average marks of top 0.1 % candidates in the ith session of that subject.
Miq = mean + standard deviation, of marks of all candidates in the ithsession of that subject.

Using the above formulae, the raw score of the multiple session examinations is conducted into a normalized GATE Score.

Normalization Formula for single session examination (h4)

For the single session examination the normalization formula is as given below.

S = Sq + (St- Sq) (M-Mq)/(Mt-Mq)

{\displaystyle S=S_{q}+(S_{t}-S_{q}){\frac {M-M_{q}}{{\overline {M}}_{t}-M_{q}}}}
where,

S = Score (normalized) of a candidate,

M = Marks obtained by a candidate ("normalized marks" in case of multiple-session subjects CE, CS, EC, EE and ME),

Mq = Qualifying marks for general category candidates in that subject (usually 25 or μ + σ, whichever is higher),

μ = Average (i.e. arithmetic mean) of marks of all candidates in that subject,

σ = Standard deviation of marks of all candidates in that subject,

Mt = Average marks of top 0.1 % candidates (for subjects with 10000 or more appeared candidates) or top 10 candidates (for subjects with less than 10000 appeared candidates),

St = 900 = Score assigned to Mt,

Sq = 350 = Score assigned to Mq.

### GATE Score Percentile Conversion

By percentile it means, the percentage of candidates that have scored below a particular candidate.

For final GATE Score calculation, the percentile formula is-

Percentile = ( 1 - All India rank/No. of candidates in that subject ) x 100%

### GATE 2017 Score Calculation

For the calculation of marks in GATE 2017, the following things are to be considered-

• Mtis usually 25 marks (out of 100) or + σ, whichever is larger.

Here, μ is the mean and σ is the standard deviation of marks of all the candidates who appeared.

Check GATE Participating Colleges

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