
Statistical Hypothesis Testing Concepts

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

Thomas White
FREE Resource
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9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the main question asked in the 2008 survey?
What is your favorite TV commercial?
How often do you watch TV?
Do you think television commercials are effective?
Do you prefer online ads over TV commercials?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many adults responded 'yes' in the 2008 survey?
622
1009
1020
676
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the purpose of comparing the 2007 and 2008 survey results?
To determine if the proportion of 'yes' responses changed.
To find out which year had more respondents.
To compare the effectiveness of different survey methods.
To see if more people watched TV in 2008.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of test is used to analyze the survey data?
A two-sample t-test
A two-sample z-test for proportions
A chi-square test
A one-sample z-test
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the null hypothesis in this context?
The proportion of 'yes' responses is the same in 2007 and 2008.
The proportion of 'yes' responses is less in 2008.
The proportion of 'yes' responses is greater in 2008.
The survey method was flawed.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What condition must be met for the normal approximation to be valid?
Sample size must be less than 30.
n times p and n times (1-p) must be greater than or equal to 10.
The sample must be normally distributed.
The sample size must be exactly 1000.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance level used in this hypothesis test?
0.001
0.10
0.05
0.01
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the calculated p-value in this test?
0.5
0.05
0.0048
0.048
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What conclusion can be drawn if the p-value is less than the significance level?
Fail to reject the null hypothesis.
Reject the null hypothesis.
The test is inconclusive.
The data is insufficient.
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