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SRiS Ch. 6 Review

Authored by Patrick Marnin

Mathematics

12th Grade

CCSS covered

Used 8+ times

SRiS Ch. 6 Review
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33 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

How can you tell when data is paired in an experiment?

When each subject does both treatments
When there are two subjects
When there are two variables
When there are two people in the experiment
None of the above are correct

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which choice is the only false statement?

In a numerical distribution, about 25% of the data values are greater than or equal to the value of the 3rd quartile
In a boxplot, the IQR equals the length of the box
In an experiment, control means not letting any of the subjects know what treatment they are trying
To estimate the p-value from a dotplot, divide the total number of dots into the number of dots that are equal to or more extreme than the test statistic
A simulation is a controllable event that has the same probability of success as an athlete’s or team’s ABILITY, and that can be repeated many times

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which choice is the only true statement?

paired data can only result from an experiment, never from an observational study
in a hypothesis test, the alternative hypothesis is always that there is no difference in ABILITY
the “mean difference” from paired data is calculated the same way as the “difference in means” from unpaired data
A Type II error occurs when the null hypothesis is rejected but it turns out to be true
none of the above are correct

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which choice correctly completes the statement? “In experiments where each subject gets both treatments, the data are paired because ______ “

there are two values of the test statistic for each subject
there are two values of the response variable for each subject
there are two values of the p-value for each subject
there are two subjects for each treatment, one subject is blind and one subject is not blind
none of the above are correct

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which choice correctly describes the concept of control in an experiment?

use two subjects for each treatment, one subject is blind and one subject is not blind
don’t let any of the subjects know that they are part of an experiment
have the subjects do the treatments in random order
keep every variable the same, except for the variable being investigated
none of the above are correct

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

12, 9, 5, 14, 8, 10, 3, 12, 15, 18, 14, 28, 18 What is the IQR?

9
10
8
6
none of the above are correct

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

12, 9, 5, 14, 8, 10, 3, 12, 15, 18, 14, 28, 18 What is the LOB?

-3
-6.5
1.5
-3.5
none of the above are correct

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