Statistics Review

Statistics Review

12th Grade

53 Qs

quiz-placeholder

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Statistics Review

Statistics Review

Assessment

Quiz

Other

12th Grade

Hard

Created by

Barbara White

FREE Resource

53 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Descriptive Statistics is the branch of statistics that uses a sample to draw a conclusion about a population.

True

False

not always true

none of the above

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The most important advantage of experiments over observational studies is

we can study the relationship between two or more explanatory variables.

we can use randomization to avoid bias in designing an experiment.

a well-designed experiment can give good evidence that the treatments actually cause the response.

an experiment can compare two or more groups.

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

____________ are variables measured on a numeric scale.

Categorical variables

Variables x

Statistic

Quantitative variables

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

A psychologist wants to know if adults with normal vision can be fooled by a certain optical illusion. She recruits 50 students from her PSY 120 class and finds that 42 of them are fooled by the illusion. The population in this study is

the 50 students who served as subjects.

all adults with normal vision.

all students in the PSY 120 class.

the 42 students who were fooled.

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

An opinion poll asks a sample of 1100 people whether they support reducing the number of legal immigrants to the U.S.; 53% of these 1100 people say "Yes." The number 53% is a

parameter

sample

bias

statistic

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Examples of categorical variables are

the name of the college a student attends and a student's class rank, such as 25th out of 364.

a student's weight in kilograms and a student's gender (male or female).

a student's class rank, such as 25th out of 364 and a student's gender (male or female).

the name of the college a student attends and a student's gender (male or female).

7.

FILL IN THE BLANK QUESTION

45 sec • 1 pt

The student newspaper runs a weekly question that readers can answer online or by campus mail. One question was "Do you think the college is doing enough to provide student parking?" Of the 136 people who responded, 79% said "No." The number 79% is a

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