Open the Animals Starter File. Before completing a data cycle on your own, read the provided example.

Ask Questions icon

How big of a factor is age in determining adoption time?

Question Type

(circle one): Lookup Arithmetic Statistical

Consider Data icon

all animals at the shelter

name, age, and weeks

Analyze icon

Set y-axis to weeks, set x-axis to age. Select least squares line from the Measure menu.

Interpret icon

The slope is positive (0.789) and R=0.448, so there is a moderate, positive relationship

Is weight a bigger factor?

Interpret Data

I performed a linear regression on a sample of animals at the shelter[dataset or subset] and found a

moderate (R=.448), positiveweak / strong / moderate (R=…​), positive / negative correlation between age[x-axis] and

time to adoption[y-axis]. I would predict that a 1 year[x-axis units] increase in age[x-axis] is

associated with a .789 week[slope, y-units] increaseincrease / decrease in time to adoption[y-axis].

Ask Questions icon

Question Type

(circle one): Lookup Arithmetic Statistical

Consider Data icon

Analyze icon

Interpret icon

Interpret Data

I performed a linear regression on a sample of [dataset or subset] and found a

weak / strong / moderate (R=…​), positive / negative correlation between [x-axis] and

[y-axis]. I would predict that a 1 [x-axis units] increase in [x-axis] is

associated with a [slope, y-units] increase / decrease in [y-axis].

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