First Semester Final

Two branches of statistics are________________ and ___________.

• engineering and chemistry

• mathematical and inferential

• inferential and descriptive

• hard and easy

Classify the data: Time it takes to get to school

• Qualitative

• Quantitative

Classify the data: Color of beach tags on 7th street beach

• Qualitative

• Quantitative

Classify the data: Letter grades (A, B, C, D, F) on a project

• nominal

• ordinal

• interval

• ratio

Classify the data: Temperature in Fahrenheit during this week

• nominal

• ordinal

• interval

• ratio

Classify the data: The number of touchdowns the Eagles score each year

• discrete

• continuous

Identify the kind of variable in this situation:

price of gasoline per gallon throughout American history

• nominal

• ordinal

• discrete

• continuous

Sampling Technique: A toy manufacturer selects every 4^th toy to inspect on a production line to test for defects.

• Stratified
• Cluster
• Systematic
• Convenience

Sampling Technique: A poll on effective educational methods is taken by selecting 4 of the 10 departments at a local university and surveying all members in those groups.

• Systematic
• Stratified
• Cluster
• Convenience

Sampling Techniques: A poll is completed by a local government and selects people to poll via their social security number.

• Convenience
• Random
• Stratified 
• Cluster