Statistical Data

Which company would you prefer to use based on the data?

• Dannette's Auto Repair

• Alphonso's Auto Repair

How many trips were recorded?

• I-80

• I-5

• Cannot Be Determined

A teacher wants to know the average time spent doing homework by the students in her class of 20 girls and 5 boys, so she randomly selects five students from the class to survey, paying no attention to their gender.
This is a form of:

• Cluster Sampling

• Systematic Sampling

• Stratified Sampling

• Simple Random Sampling

A poll about favorite sports is taken from 100 seniors in a high school where the senior class has 575 students. 23% of respondents said that baseball was their favorite sport.
The "100" is the ______

• Sample Size

• Population Size

• Statistic

• Parameter

A poll about favorite sports is taken from 100 seniors in a high school where the senior class has 575 students. 23% of respondents said that baseball was their favorite sport.
The "575" is the ______

• Sample Size

• Population Size

• Statistic

• Parameter

This is what type of sample?

• cluster

• convenience

• systematic

• stratified

What type of visual summary of data is this?

• Histogram

• Dot plot

• Box plot

What type of visual summary of data is this?

• Histogram

• Dot plot

• Box plot

What type of visual summary of data is this?

• Histogram

• Dot plot

• Box plot

If you subtract Q1 from Q3, you solved for the....

• Mean

• Median

• Range

• Interquartile Range