Vocabulary
The shape of the graph of a normal distribution is this.
What is bell-shaped?
A normal distribution has a mean of 15 and a standard deviation of 3. The value that is 3 negative standard deviations away from the mean is this.
What is 6?
The percentage of data located within 1 standard deviation of the mean.
What is 68%
A data set is normally distributed with a mean of 50 and a standard deviation of 10. This is the z-score of the data value 60.
What is 1?
The mean of a standard normal distribution is this.
What is zero?
A normal distribution has a mean of 24 and a standard deviation of 6. 68% of the values of this distribution fall between what two data values?
What is 18 and 30?
These percentages roughly represent the percent of the data values that fall within one, two, and three standard deviations from the mean of a normal distribution.
What is 68–95–99.7%?
Josiah scored 1200 on the SAT. The mean of the SAT is 1000 and the standard deviation is 200. This is the z-score of Josiah's SAT score.
What is 1?
The greek symbol used to represent standard deviation.
What is sigma (lower case) ?
A normal distribution has a mean of 8 and a standard deviation of 2. The value that is 2 positive standard deviations away from the mean is this.
What is 12?
The total area under the curve of a normal distribution is this.
What is one?
Sadie scored 28 on the ACT. If the mean of SAT scores is 21 and the standard deviation is 5, this is Sadie's z-score.
What is 1.4?
What is another name for the normal curve?
What is Bell curve?
A normal distribution has a mean of 100 and a standard deviation of 10. The percentage of data values that fall between the values of 70 and 90 is this.
What is 15.85?
This measure of central tendency of a normal distribution represents the highest point on the curve
What is the mean?
Adin scored 1400 on the SAT and Gabriel scored 25 on the ACT. The mean SAT score is 1000 and the standard deviation is 200. The mean ACT score is 21 and the standard deviation is 5. This is the better score.
What is 1400?
The greek symbol used to represent the mean.
What is the greek letter Mu or μ?
A normal distribution has a mean of 10 and a standard deviation of 1. The percentage of data values that fall between the values of 8 and 12 is this.
What is 95%?
DAILY DOUBLE!
What percent are outliers in a normal distribution?
What is around 0.3%?
The mean of a normal distribution is 10 and the standard deviation is 2. The z-score of a data value is -3. This is the data value.
What is 4?