
t-test checkpoint
Authored by Jay Mathyi
Science
9th - 12th Grade
NGSS covered
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
This refers to the maximum number of independent values which varies in the data sample.
Level of significance
Percentiles
Degree of freedom
Probability
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which best describes the purpose of a t-test?
It is a type of descriptive statistics.
It is used to determine if there are significant differences.
It can be used as long as the data is not normally distributed
All of the above.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which is true?
P-Value < 0.05 - there's statistical difference
P-Value < 0.05 - there's no statistical difference
P-Value > 0.05 - there's statistical difference
None of the above
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of test can we use when the samples are the same size and interact with each other?
one sample t-test
paired t-test
unpaired t-test
Standard deviation
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
what type of t-test would be used to calculate the statistical difference in this population?
single sample t-test
paired t-test
unpaired t-test
Tags
NGSS.HS-LS3-3
NGSS.HS-LS4-3
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which statement best describes a null hypothesis?
states that there is a significant difference between the means of the two groups.
states that there is no significant difference between the means of the two groups.
7.
CATEGORIZE QUESTION
45 sec • 3 pts
Organize these options into the correct t-test
Groups:
(a) paired t-test
,
(b) unpaired t-test
two groups of equal size that are independent of each other
a study of year 7 exam results compared to year 9 exam results for the same year
two groups of different sizes that interact with each other
two groups of equal size that interact with each other
a study of students exam results at the beginnign of the year and the end of the year
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