Is the right arm or left arm stronger? Twenty five right handed people were studied. They were asked to do as many bicep curls a
s possible, first with their right arm and then with their left arm. Note:The differences were calculated as right-left. The 95% confidence interval for the true mean difference is (-9.242, 0.2472). Which of the following statements is the correct interpretation? Group of answer choices There is convincing evidence that the right arm can perform, on average, a different number of curls than the left arm. The left arm can perform more bicep curls than the right arm. The right arm can perform more bicep curls than the left arm. There is not enough evidence to say that the right arm and left arm can perform a different number of curls on average.
1 answer:
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Answer:
The graph in the attached figure
Step-by-step explanation:
Let
x -----> the number of solved puzzles
y -----> the number of solved riddles
we know that
The solution of the inequality is the shaded area above the solid line
The slope of the solid line is negative
The y-intercept of the solid line is the point (0,4)
The x-intercept of the solid line is the point (2,0)
therefore
The graph in the attached figure
