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What is the percentile rank of the score 20 in a unit normal distribution that has a population mean of 21 and a variance of 4?
It is the 31st percentile.
Which measure is always the 50th percentile Mean Meadian or Upper Quartile?
Mean.
What does the 85th percentile mean for the GRE?
It means that 85% of people are under it
What does being in the 30 percentile mean?
example. a baby is in the 30th percentile for weight. that baby is bigger than 29 babies out of 100, and smaller than 69.
What percentile rank would you be in if you scored a 720 on the GRE when the mean equals 500 and the standard deviation equals 100?
You would be in the 99th percentile (98.61, to be more precise).
Is the mean 50 percentile of any normal distribution?
Yes, the mean (and median and mode) is the 50th percentile of any normal distribution.
What does zero percentile mean?
It is the minimum value.
What does the 35th percentile mean?
35% of values lie below the 35th percentile. The median (middle value) is the 50th percentile, 50% lie below it and 50% above.
What does 99.6 percentile mean?
A 99.6 percentile means that 99.6% of the data in the sample is at or below the data point given.
What does a percentile of 70 mean?
The 70th percentile is the score below which 70 percent of the cases fall. If your 70th percentile is 56, 70 percent of students scored below 56.
What is the percentile rank of the score 20 in a unit normal distribution that has a population mean of 21 and a variance of 4?
It is the 31st percentile.
Which measure is always the 50th percentile Mean Meadian or Upper Quartile?
Mean.
Is the mean value the same as th 50th percentile value?
No, it is not.
What does 33 percentile mean?
it means that 33% of the people did not score that.
What does 92nd percentile mean?
92nd percentile is the value below which 92 percent of the cases fall. If in a test your 92nd percentile score is 70, it means 92 percent of the students scored below 70.
Is the 50th percentile of a distribution the same as the distribution mean?
Mean = average and median = the middle value in an array of all values received. So to answer your question the 50th percentile of a distribution is the same as median.
Does fetus head circumference in the 2nd percentile mean microcephaly?
Microcephaly is an extremely rare condition in which the fetus's head circumference is lower then one percentile.
