
Understanding T Tests in Statistics

Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Hard
Nancy Jackson
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who invented the T Test and for what company did he work?
Ronald Fisher, Fisher Scientific
John Tukey, Bell Labs
William Gosset, Guinness
Karl Pearson, Pearson Publishing
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of a T Test in statistics?
To determine the correlation between two variables
To compare the means of two groups
To compare the variances of two groups
To calculate the probability of an event
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a T Test, what does a large T value indicate?
A large difference between means
A large variance
A small sample size
A small difference between means
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of T Test would you use for comparing the same group before and after a treatment?
One-sample T Test
Two-sample T Test
Unpaired T Test
Paired T Test
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main difference between a paired and an unpaired T Test?
Paired T Test compares two different groups, unpaired compares the same group
Paired T Test compares the same group, unpaired compares two different groups
Paired T Test is used for large samples, unpaired for small samples
Paired T Test is used for categorical data, unpaired for numerical data
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When would you use a one-sample T Test?
When comparing a sample mean to a known population mean
When comparing two independent groups
When comparing variances of two samples
When comparing two related groups
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a critical assumption for the validity of a T Test?
The data must be collected from a single source
The data should be approximately normally distributed
The sample size must be exactly 10
The data must be categorical
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