Characteristics
Empirical Rule
Calculations
Mr. Tyler
100

What type of distribution is needed to use the Empirical Rule?

What is Normal Distribution 

100



Looking at this Graph, identify the Mean and Standard Deviation.

What is Mean: 4,    SD: 1.5

100

These are the grades of all students in a stats class:

67 72 88 73 99 85 81 87 63 94 68 87

What is MEAN?

What is 80.33

100

How many siblings does Mr. Tyler have?

2

200

Draw the shape of a normal distribution graph.

What is bell-shaped?

200

A normal distribution has a mean of 8 and a standard deviation of 2. What is the value that is at +2 standard deviations away from the mean?

What is 12?

200

The mean test score is 58 with a standard deviation of 5. If you scored 66 points, what would your z-score be?

What is 1.6

200

What is Mr. Tyler's favorite color?

Green

300

What are you finding if you add all data points together and divide by the number of data points there are.

What is the mean(Average)?

300

A normal distribution has a mean of 15 and a standard deviation of 3. What value that is -3 standard deviations away from the mean?

What is 6?

300

If you take a test and your score matches the mean, what would your z-score be?

What is 0

300

What was the name of the mascot at the first high school that Mr. Tyler attended?

Patriot

400




Approximately how much % falls within 1 standard deviation of the mean?

What about 2 standard deviations?

3 standard deviations?

What is 68–95–99.7%?

400

A normal distribution has a mean of 10 and a standard deviation of 1. What percentage of data values fall between the values of 8 and 12?

What is 95%?

400

The average wage of a high school employee is $14 per hour. The standard deviation is $1.20.

If you have a z-score of 1.25, how much money per hour are you making?

What is $15.50/hour

400

How does Mr. Tyler prefer his steak cooked?

Medium-Rare

500



What percentage of data is found between -1 standard deviations and +2 standard deviations?

What is 81.5%

500

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?

500

These are the grades of all students in a stats class:

67 72 88 73 99 85 81 87 63 94 68 87

What is STANDARD DEVIATION? (round to 3 decimal places)

What is 11.025

500

Who did Mr. Tyler see in the first concert he ever attended?

Earth, Wind, & Fire