Gathering Data

Which method is most likely to produce a random sample of the members of your class?

• listing the first six students that come to mind

• choosing the five oldest students in the class

• writing the name of each student on a separate piece of paper and then drawing these slips from a hat

• selecting the first six students to arrive at class

To study the amount of time students spend doing homework each day, use a random number generator to select 25 freshmen, 25 sophomores, 25 juniors, and 25 seniors to survey.

• Convenience Sample

• Simple Random Sample

• Stratified Random Sample

• Interval Sample

Which of these is needed when gathering data?

• plagiarism

• Consent

• Opinions

Choose the correct sampling method:

A student council wants to know whether students would like the council to sponsor a mid winter dance or mid winter carnival this year

→

Survey 20 randomly selected freshmen, 20 randomly selected sophomores, 20 randomly selected juniors, and 20 randomly selected seniors

• systematic

• random sample

• convenience

• stratified

• cluster

Which of the following is/are method(s) to gather data

• Observation

• Interview

• Systematic

• Survey

What is the branch of mathematics dealing with the collection, organization, analysis, interpretation and presentation of data?

• Algebra

• Geometry

• Probability

• Statistics

The process of gathering information/data from EACH member of the population.

• Census

• Interview

• Survey

• Questionnaire

The process of collecting information/data from the sample.

• Census

• Interview

• Survey

• Questionnaire

• systematic

• cluster

• convenience

• stratified

• self selected

Choose the correct sampling method:

A student council wants to know whether students would like the council to sponsor a mid winter dance or mid winter carnival this year

→

Survey a random selection of those who happen to be in the cafeteria at noon

• random sample

• self - selected

• convenience

• stratified

• cluster