Residuals

Question 1

–9 ✔ –11 9

Revolt · Accepted Answer

✔ –1; The residual is , which means that the actual number of bacteria in a petri dish is than the predicted number of bacteria for a temperature of 6ºF.: –1; The residual is , which means that the actual number of bacteria in a petri dish is than the predicted number of bacteria for a temperature of 6ºF.: 1 less

Question 2

Calculate and interpret the residual for this fundraiser with 150 donors.

Revolt · Accepted Answer

The residual is , which means that the amount raised at this fundraiser is $ than would be predicted by the linear model.: –125; The residual is , which means that the amount raised at this fundraiser is $ than would be predicted by the linear model.: 125 less; Because the residual is , the least-squares regression line this actual y-value.: negative; Because the residual is , the least-squares regression line this actual y-value.: overestimated

Question 3

✔ 1 lessX 1 more 9 less 9 more

Revolt · Accepted Answer

✔ 1 less

Question 4

75 less 75 more ✔ 125 less125 more

Revolt · Accepted Answer

✔ 125 less

Question 5

Calculate and interpret the residual for this fundraiser with 150 donors.

Revolt · Accepted Answer

✔ –125; The residual is , which means that the amount raised at this fundraiser is $ than would be predicted by the linear model.: –125; The residual is , which means that the amount raised at this fundraiser is $ than would be predicted by the linear model.: 125 less; Because the residual is , the least-squares regression line this actual y-value.: negative; Because the residual is , the least-squares regression line this actual y-value.: overestimated

Question 6

X positive ✔ negativezero

Revolt · Accepted Answer

✔ negative

Question 7

✔ overestimatedunderestimated accurately estimated

Revolt · Accepted Answer

✔ overestimated

Question 8

A =

Revolt · Accepted Answer

5

Question 9

B =

Revolt · Accepted Answer

0

Question 10

C =

Revolt · Accepted Answer

50

Residuals Answers

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