distribution curve

1.  Which best describes the shaded part of this normal distribution graph?  

• All data that is one or higher.
• All data that is one or more standard deviations above the mean.
• All data that is between 1 and 3.
• All data that is above the mean.

Roger bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the range of Roger's scores?

• 193
• 127
• 60
• 66

What shape is a normal distribution curve?

• Half curve
• Round curve
• Bell curve
• Square curve

The normal curve is symmetrical about the mean.

• True
• False

This data is normally distributed.  What percent of the data is in the shaded region?

• 68%
• 95%
• 99.7%
• 50%

The distribution is _________ skewed.

• positively

• negatively

• not

• normal

The picture shows a _________.

• histogram

• stem and leaf plot

• box plot

• rectangular distribution

Identify the median

• 75

• 70

• 65

• 90

This data is normally distributed.  What percent of the data is in the shaded region?

• 68%
• 95%
• 99.7%
• 50%

The data in the picture:

• is negatively skewed

• positively skewed

• symmetrical