College Stats Introduction

A quantity calculated from the observations in a SAMPLE.

• Parameter

• Study

• Statistic

• Observation

The scores awarded to 25 students for an assignment were as follows:
4  7  5  9  8  6  7  7  8  5  6  9  8    5  8  7  4  7  3  6  8  9  7  6  9
What is  the mode?

• 6

• 7

• 8

• 9

The city of Cleansburg has 8325 registered voters. In an election for mayor, 3 candidates are Smith, Jones, and Brown. The day before the election a poll of 680 randomly chosen voters produced these results: 306 Smith, 272 Jones, 102 Brown. What is the sample?

• The 8325 registered voters 

• The 680 voters polled

• The 3 candidates

• People who voted for Smith

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

• Statistics

• Algebra

• Geometry

• Calculus

What is the branch of science and mathematics that deals with the collection, organization, or presentation, interpretation, and analysis of data regardless of discipline?

Classify the following as descriptive or inferential statistics.
The average salary of the graduates of the class of 1980 is $32,500.

• Descriptive

• Inferential

Which of the following is an example of quantitative data?

• The color of your car

• A person's state of residence

• A person's Zip Code

• A Person's Height

Tell if the statement if Descriptive or Inferential

The chances of you getting a new car is about the same as passing your statistics class.

• Descriptive

• Inferential

• 72%

• 79%

• 82%

• 89%

Round your answer to the nearest whole number. (No decimals and no % sign)