HOW TO CALCULATE ERROR PERCENTAGE IN CPT, DEST & TYPING TEST

1. METHODS OF CALCULATION OF ERRORS

a) DEST & TYPING TEST 

Aspirants generally are found in confusion to know how they should calculate percentage of errors in the Data Entry Speed Test (DEST)/Typing Test. Therefore it becomes important to elaborate  it with some examples. First know the method of calculating typing error here:

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Examples for DEST (CSS, TA, DEO)

Let your errors in DEST as calculated by the above method are 40. As you know the DEST passage is for 2000 key depressions, so your error in percentage is

• • (40/2000)*100 = 2
    Means 2%

Examples for Typing Test (LDC, Postal/Sorting Assistant)

Let your errors in TYPING TEST as calculated by the above method are 40. As you know the TYPING TEST passage is for 1750 key depressions, so your error in percentage is

• • (40/1750)*100 = 2.29
    Means 2.29%

b) DEST, EXCEL & POWER-POINT (CPT)

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2. ADMISSIBLE % OF MISTAKES

a) DEST (CSS & TA)

Though it’s not a rule, comparative performance of the candidates is seen in fact. In CGl-13 the admissible %age of Mistakes in DEST was 5% for UR and 7% for all other categories.

b) DEST (DEO)

Though it’s not a rule, comparative performance of the candidates is seen in fact. In CHSL (10+2) EXAM-13 the admissible %age of Mistakes in DEST was 5% for all categories

c) Typing Test (LDC & Postal/Sorting Assistant)

Though it’s not a rule, comparative performance of the candidates is seen in fact. In CHSL (10+2) EXAM-13 the admissible %age of Mistakes in TYPING TEST was upto 5% for UR/OBC/SC/OH/VH candidates and upto 7% mistakes for ST/HH/Ex.S candidates.

d) Excel & Power Point

Both Tests on Excel and Power-Point are of 100 marks each. So total marks for them are 200. Normally admissible %age of Mistake in both of these components is 40% for UR and 50% for all other categories. Therefore UR candidates need to score 120 marks and all other candidates need to score 100 marks out of total marks i.e. 200.

3. MEANING OF KEY DEPRESSION

Key depression means pressing of any key of the keyboard of the computer. Key depression includes all the keys of the computer like keys from ‘A’ to ‘Z’; digit keys 1, 2, 3, 4, 5, 6, 7, 8, 9, 0; keys of special characters like !, @, #, $, %, ^, &, *, (, ), _, +, -, =, [, ], {, }. Pressing of SPACE BAR is also called a key depression. And keys like COMMA, SEMI-COLON, FULL STOP KEY, QUESTION MARK, <, >, \, |, TAB KEY, ENTER KEY also are a key depression. But key depression does not include DELETE, BACKSPACE, SHIFT, and other keys.