Mathematics, 26.02.2020 20:55 mauifrifer3986

Suppose you want to know how Arizona workers age 16 or older travel to work. To estimate the percentage of people who use the different modes of travel, you take a sample containing 500 Arizona workers age 16 or older. State the individual, variable, population, sample, parameter, and statistic.

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Answer from: lexhoangg

The individual for this case represent the Arizona worker age 16 or older

The variable of interest on this case is the different modes of travel in the working people at Arizona age 16 or older

The population of interest represent all the Arizona workers age 16 or older

The sample represent the 500 Arizona workers age 16 or older selected from the population

The parameter of interest n this case is the proportion of people who use different moes of travel denoted by p_i for an specific mode of travel i, and the proportion can be expressed as a % multipliying by 100.

The statistic for this case would represent the estimated proportion calculated from the sample $\hat p_i$ for an specific mode of travel i

Step-by-step explanation:

Previous concepts

A statistic is a numerical value "used to estimate the value of a population parameter".

A parameter is a numerical value that describe a characteristic of an entire population

Solution to the problem

The individual for this case represent the Arizona worker age 16 or older

The variable of interest on this case is the different modes of travel in the working people at Arizona age 16 or older

The population of interest represent all the Arizona workers age 16 or older

The sample represent the 500 Arizona workers age 16 or older selected from the population

The statistic for this case would represent the estimated proportion calculated from the sample $\hat p_i$ for an specific mode of travel i

Answer from: Quest

i need a picture

step-by-step explanation:

Answer from: Quest

the height of the surface increases from the center out to the sides of the road.

step-by-step explanation:

as we move out we move away from the x-axis.

and as mentioned in the problem statement that height of a road increases when we move away from the center x.

hence proved that 3rd option

the height of the surface increases from the center out to the sides of the road.

is the correct option.

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Suppose you want to know how Arizona workers age 16 or older travel to work. To estimate the percent...

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