AnswersDRHS GA-Statistical ReasoningR-squared and s

R-squared and s Answers

2 verified answers
1
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In a statistics class, a teacher had the students complete an activity in which they grabbed as many bite-sized pretzels as they could with their dominant hand, without crushing them. The teacher then measured their handspan in centimeters. The scatterplot displays the data the teacher collected along with the least-squares regression line. One student with a handspan of 23 cm grabbed 38 pretzels. This point is circled on the graph.

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A
It will increase the value of the slope because its residual is a large positive value.
B
It will decrease the value of the slope because its residual is a large positive value.
C
It will increase the value of the slope because its residual is a large negative value.
D
It will decrease the value of the slope because its residual is a large negative value.
2
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The length (in inches) and weight (in ounces) for a type of bass were measured for a random sample of 10 bass from a lake. The measurements are given in the table.Using technology, what is the value of r2?

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A
–0.98
B
–0.96
C
0.96
D
0.98
3

In a statistics class, a teacher had the students complete an activity in which they grabbed as many bite-sized pretzels as they could with their dominant hand, without crushing them. The teacher then measured their handspan in centimeters. The computer output displays the regression analysis.Using the computer output, what is the value of r2?

Question illustration
A
0.521
B
0.547
C
1.585
D
3.05

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