AP Statisticseasymcq1 pt
A 95 percent slope interval is (1.2, 2.8) with b = 2.0. The margin of error is
A.0.8
B.1.6
C.2.0
D.0.4
Explanation
Core Concept
Half the width: (2.8 - 1.2) / 2.
Correct Answer
A0.8
More Unit 9: Inference for Quantitative Data: Slopes practice questions
- mediumThe t interval for a slope is wider when
- mediumWhich is NOT a condition for slope inference?
- hardThe four conditions for slope inference mirror which earlier procedure?
- hardA slope test has H0: beta = 0 and Ha: beta < 0 with t = -2.1 and df = 10. The p-value is
- hardWhy is a wider range of x-values helpful for slope inference?
Practice more AP Statistics questions with full explanations
Practice Unit 9: Inference for Quantitative Data: Slopes Questions →