Intro to Stats

Identify the kind of variable in this situation:

number of paper clips in mason jar on Mr. Rhoades' desk

• nominal

• ordinal

• discrete

• continuous

Identify the kind of variable in this situation: number of chairs in room 213

• nominal

• ordinal

• discrete

• continuous

collect, describe, and present data

• descriptive statistics

• inferential statistics

• discrete statistics

• qualitative statistics

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

• Statistics

• Algebra

• Geometry

• Calculus

Since populations are often too large, we take a

• sample

• statistic

• data (singular)

• experiment

A quantity calculated from the observations in a SAMPLE.

• Parameter

• Study

• Statistic

• Observation

What is the median of the data?

• 10

• 12

• 13

• 14

• 18

For the data set shown, what is the minimum?

{15, 20, 9, 8, 10, 20, 25, 17}

• 15

• 17

• 8

• 0

For the data set shown, what is the median?

{10, 12, 14, 14, 16, 18, 20, 20}

• 14

• 15

• 15.5

• 16

What is the Q1 of the data?

• 30

• 40

• 70

• 80