The percentage of data located within 1 standard deviation of the mean.
What is 68%
100
The z-score corresponding to an SAT score of 630 when the mean score is 500 and the standard deviation is 100.
What is 1.3
100
The probability (decimal) of randomly selecting a member of a normally distributed population with a value less than the mean of the population.
What is .5
100
The percent(%) of people that scored 730 or less on the math portion on the SAT when the mean is 518 and the standard deviation is 115.
97%...... 97th percentile (because it says or less)
100
The symbol used to represent sample standard deviation.
S(x)
200
The percentage of data located within 3 standard deviations of the mean.
What is 99.7%
200
The z-score corresponding to an SAT score of 470 when the mean score is 500 and the standard deviation is 100.
What is -.3?
200
US men in the age group of 20-29 have heights that are normally distributed with a mean of 69.6 inches and a standard deviation of 3.0 inches. This is the probability of randomly selecting a man in this age group whose height is more than 72 inches.
What is .21
200
My percentile if I scored a 620 on the critical reading portion on the SATs when the mean is 503 and the standard deviation is 113.
What is the 85th percentile
200
the greek symbol for POPULATION standard deviation.
baby sigma
300
The percent of data located within 2 standard deviations of the mean.
What is 95%?
300
The z score of a data point that is equal to the mean of the data.
What is 0?
300
US men in the age group of 20-29 have heights that are normally distributed with a mean of 69.6 inches and a standard deviation of 3.0 inches. This is the probability (decimal) of randomly selecting a man in this age group whose height is between 66 and 72 inches.
What is .67
300
The score on the math portion on the SATs that represents the 90th percentile when the mean is 518 and the standard deviation is 115.
What is 665
300
the greek symbol for POPULATION mean
Mu
400
The percent of the data that lies OUTSIDE of 1 standard deviation from the mean?
What is 32%?
400
The sign of the z-score of any data point that falls BELOW the mean.
What is negative
400
The weights of adult male beagles are normally distributed, with a mean of 25 pounds and a standard deviation of 3 pounds. This is the probability (decimal) of randomly selected an adult male beagle whose weight is less than 23 pounds.
What is .25
400
The cutoff score on the math portion on the SATs that separates the top 20% when the mean is 518 and the standard deviation is 115.
What is 615
400
The symbol we use for SAMPLE mean in the calculator
X bar
500
The percentage of data located OUTSIDE of 3 standard deviations.
What is .3%?
500
The SAT score that has a z-score of -1.2 when the mean score is 500 and the standard deviation is 100. (HINT: Work backwards)
What is 380?
500
The weights of adult male beagles are normally distributed, with a mean of 25 pounds and a standard deviation of 3 pounds. This is the probability of randomly selected an adult male beagle whose weight is less than 22 pounds OR greater than 28 pounds. (HINT: OR means ADD)
What is .32
500
The z-score that corresponds to the cumulative area on the left of 0.3520.