Characteristics
The shape of the graph of a normal distribution is this.
What is "Bell Curve"
What is the percentage if half the bell curve is used?
What is "50%"
What is the Greek Symbol for standard deviation called?
The definition of Z-Score is what?
What is "The amount of Standard Deviation's away from the mean"
What is Ms. A's full last name?
What is "Abbatiello"
What goes directly in the middle of the curve?
What is "The mean"
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"
What is the standard deviation of the following set of scores: 8, 10, 3, 5, 4, 3
What is "SD = 2.88"
The amount of decimal places you go to is what?
What is "2 decimal places"
What is Ms. A's favorite color?
What is "Purple"
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%"
What percentage of data falls within 2 standard deviations of the mean?
What is "95%"
How many Standard Deviations do you go to on the Bell Curve?
What is "3 to the right and left"
The formula for Z-score is what?
What is "(value-mean)/Standard Deviation"
How old is Ms. A?
We focus on a normal bell curve but what are the other two types of bell curves?
What is "Left Skewed and Right Skewed"
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"
What is the standard deviation for the following set of numbers? 4.2, 8.1, 8.1, 8.1, 12.6?
What is "SD= 2.97"
The Z-Score of 18 is what if the mean is 25 and the standard deviation is 4?
What is "-1.75"
What ethnicity is Ms. A?
What is "Italian and Dominican"
The total area under the curve of a normal distribution is this.
What is "One or 100%"
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%"
Is a higher or lower standard deviation better to have more accurate data?
What is "Lower"
What is the probability of a Z-Score of -1.35?
What is "8.85%"
What is Ms. A's brother's name?
What is "Tony"