10th Grade Margin Of Error Quizzes , Questions & Answers

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The Coefficient of Determination is generally measured as a percentage. If it is 95% then the statement would read as : 95% of the variation of the dependent variable (y variable), can be explained by the variation in the...

Questions: 15 | Attempts: 341 | Last updated: Jul 16, 2025

Sample Question 1
Jack is on a fitness campaign.He is measuring his improvement by counting the number of pushups he can do in one minute.He measures his progress at the end of each week.According to the line of linear regression, he has a Correlation Coefficient of 0.94.Which statement is most correct :

94% of the variation in his push up count can be explained by the number of weeks he has attended training

94% of the variation in his weekly attendance explained by the variation in his push-up count

89% of the variation in his push up count can be explained by the number of weeks he has attended training

89% of the variation in his weekly attendance explained by the variation in his push-up count

There relationship between attendance and pushups is non-linear

Sample Question 2
Paddy is on a fitness campaign. He is measuring his improvement by counting the number of pushups he can do in one minute. He measures his progress at the end of each week. According to the line of linear regression, he has a Correlation Coefficient of 0.91 Which statement is most correct :

91% of the variation in his push up count can be explained by the number of weeks he has attended training

91% of the variation in his weekly attendance explained by the variation in his push-up count

82% of the variation in his push up count can be explained by the number of weeks he has attended training

82% of the variation in his weekly attendance explained by the variation in his push-up count

The relationship between attendance at training and pushups is non-linear

Sample Question 3
Jack is on a fitness campaign. He is measuring his improvement by counting the number of pushups he can do in one minute. He measures his progress at the end of each week. According to the line of linear regression, he has an 'r' value of 0.94. Which statement is most correct :

94% of the variation in his push up count can be explained by the number of weeks he has attended training

94% of the variation in his weekly attendance explained by the variation in his push-up count

89% of the variation in his push up count can be explained by the number of weeks he has attended training

89% of the variation in his weekly attendance explained by the variation in his push-up count

There relationship between attendance and pushups is non-linear

10th Grade Margin Of Error Quizzes , Questions & Answers

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