
Statistical Tests and Inference Concepts

Interactive Video
•
Mathematics
•
10th - 12th Grade
•
Hard

Thomas White
FREE Resource
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7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary focus of the program on inference for proportions?
Learning about hypothesis testing
Understanding probability distributions
Exploring linear regression
Reviewing Chi-Square testing and Z tests
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the Chi-Square test of independence help determine?
The correlation between two continuous variables
The relationship between two categorical variables
The variance of a dataset
The mean of a dataset
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a Chi-Square test, what does a low P-value indicate?
A need for more data
A high level of error
A significant relationship between variables
No relationship between variables
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is one advantage of the two-sample Z test over the Chi-Square test?
It can handle more variables
It allows for one-tailed testing
It requires less data
It is easier to calculate
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the two-sample Z test compare?
Means of two samples
Proportions of two samples
Variances of two samples
Medians of two samples
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the two-sample Z test, what does a confidence interval that includes zero indicate?
No significant difference
A calculation error
A need for more data
A significant difference
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of a one-sample Z test?
To calculate the variance
To estimate a population proportion
To find the median of a dataset
To compare two sample means
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