You collect data on household income in a neighborhood housing your rental property. You would like to sell the property and need to convince the buyer that the neighborhood is inhabited by the middle class. Which measure of
central tendency will you help you make your point? The data are $20,000, $20,000, $20,000, $25,000, $45,000,
$75,000, $95,000
mean
median
mode
mean and mode

-2 is the right

- "runner b is moving at a slower rate."

- "the graphs shown are graphs of distance(km) against time(min).

the slopes of this graphs are are given by:

slope = (change in y)/(change in x)

= (change in distance)/(change in time)

this is the formula for finding the speed. so, the slope of these graphs represent the speed of the runner.

taking each division in the graph to represent 1 on both axis:

runner a ⇒ speed = (2-0)/(1-0)

= 2/1

= 2 km/min

runner b ⇒ speed = (3-0)/(3-0)

= 3/3

= 1 km/min

this shows that   runner b is moving at a slower rate."

step-by-step explanation:

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