Statistic Unit Test

Statistic Unit Test

12th Grade

13 Qs

quiz-placeholder

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Statistic Unit Test

Statistic Unit Test

Assessment

Quiz

Mathematics

12th Grade

Practice Problem

Hard

Created by

Anthony Clark

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13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A fast food chain owner claims that the average number of people who visits their store is 1350 daily with a standard deviation of 30. A random sample of 20 days showed that the average number of people who visits their store is 1400. What is the appropriate form of test statistic?

q - test

z - test

t - test

x - test

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The scatter plot as shown below illustrates a linear association. What correlation exists between the two data given?

positive correlation

negative correlation

zero correlation

undefined correlation

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following values of r shows the strongest correlation?

-0.12

0.26

-0.57

0.50

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The average I.Q. of one hundred statistics students is computed to be 103.

Population

Sample

Parameter

Statistic

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An example of a parameter is:

the population mean

the sample mean

the average number of pb&j sandwiches you eat in a year.

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

To measure the college's effectiveness in achieving student learning outcomes, TCC selects students by selecting names corresponding to every 50th student ID number. This is an example of a...

Stratified Sample

Systematic Sample

Cluster Sample

Random Sample

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A numerical value used as a summary measure (calculated value) for a sample, such as sample mean, is known as a

Population Parameter

Sample Parameter

Sample Statistic

Population Mean

None of the other answers is correct

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