Quantitative Data

Gabriella’s quiz grades are shown below.
88, 92, 92, 96, 98
Gabriella scored a 20 on her sixth quiz. What effect does this score have?

• The low score causes the median to increase.

• The low score causes the median to decrease.

• The low score causes the mean to increase.

• The low score causes the mean to decrease.

Describe the shape of the graph

• Bimodal

• Multimodal

• Uniform

• Unimodal

Describe the shape of the graph

• Right Skewed

• Symmetric

• Bimodal

• Left Skewed

Describe the shape of the graph

• Bimodal

• Unimodal

• Trimodal

• Multimodal

What is Quantitative Data?

• (qualitative data) Data that fits into one of several different groups or categories.

• (numerical data) Data can be placed on a numerical scale and can be compared.

• Data that can't be collected.

• Data that has Q's in it.

Describe the shape of graph

• Unimodal

• Trimodal

• Bimodal

• Multimodal

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

Find the median of these numbers:
4, 2, 7, 4, 3

• 2

• 5

• 7

• 4

Find the mean of these numbers:
5,11,2,12,4,2

• 4.1

• 6

• 4.5

• 4

If there is an even number of data in the data set how do you find the median?

• order the data and find the middle value

• order the data add the 2 middle values and divide by 2