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No. Your earlier score is ignored, even if your more recent score is lower.
Rahul Dravid who made his debut against England.
Including the score of 100 not out that he made in the recent Test match against Sri Lanka, Sachin Tendulkar has made 43 Test match centuries in 263 innings, including a top score of 248 not out against Bangladesh in December 2004.
If the Z Score of a test is equal to zero then the raw score of the test is equal to the mean. Z Score = (Raw Score - Mean Score) / Standard Deviation
you can't you have to do the test again. Though your score is now valid for 2 years.
The average score on an IQ test is about 100. If you score higher than that, your score will be above average.
z score = (test score - mean score)/SD z score = (87-81.1)/11.06z score = 5.9/11.06z score = .533You can use a z-score chart to calculate the probability from there.
No it is not a bad score. It is perfectly normal and average.