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Characteristics
Applying the Percentage Rule
The Standard Normal Curve
z–Scores
Adventitious
100
The shape of the graph of a normal distribution is this.
What is bell-shaped?
100
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?
100
The mean of a standard normal distribution is this.
What is zero?
100
The formula for converting raw scores to z-scores is this.
What is "(data value – mean) ÷ (standard deviation)"?
100

What do you call a group of unicorns?

A blessing

200
This measure of central tendency of a normal distribution represents the highest point on the curve
What is the mean?
200
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?
200
The standard deviation of a standard normal distribution is this?
What is one?
200
A normal distribution has a mean of 7 and a standard deviation of 2.5. The z–score that corresponds to a raw score of 10 for this distribution is this.
What is 1.2?
200

In Florida, only on Sundays, it is illegal for a single woman to do what?

Skydive

300
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%?
300
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%?
300
In a standard normal distribution, we use z-scores to find percentages of the data that fall within a certain range. One z-score represents this amount of standard deviations from the mean.
What is one?
300
A normal distribution has a mean of 84 and a standard deviation of 4. The percentage of the data of this distribution that falls below 78 is this.
What is 6.68%?
300

In Minnesota, it is illegal to tease what type of animal?

skunks 

400
The curve is this with respect to its mean.
What is symmetric?
400
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?
400
A data value that is an element of a non-standard distribution is called this.
What is a raw score?
400

Find the Z-score.

Mean = 21

Standard Deviation: 1.3

x = 22

what is 0.76923

400

What animal cannot stick out its tongue?

Crocodiles