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oksano4ka [1.4K]
2 years ago
10

In the section describing the survey methods, the report states, “For results based on the total sample of national adults, the

margin of sampling error is ±4 percentage points at the 95% confidence level.” Interpret the meaning of this statement in terms of the poll. Use any statistic given in the report as an example to explain your interpretation.
Mathematics
1 answer:
Arisa [49]2 years ago
3 0

Answer:

The interpretation of that same problem is listed throughout the section below on explanation.

Step-by-step explanation:

Interpretation:

Researchers seem to be confident with 95% that the sample selection standard error seems to be + as well as - 4 percent respectively.

This same margin of sampling error would then decrease from either the mean or average value by four percentage points smaller or even larger, it describes the survey method.

So that the above is the right answer.

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jeka94

Answer:

The rental cost of one movie is $2.25 and the rental cost of one video game is $6.25

Step-by-step explanation:

Let the rental cost of 1 movie be m.

Let the rental cost of 1 video game be v.

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We now have two simultaneous equations:

2m + 6v = 42 ________ (1)

5m + 3v = 30 _________(2)

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Subtract (1) from (3):

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=> m = 18 / 8

m = $2.25

Put the value of m back in (1):

2(2.25) + 6v = 42

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Confidence interval for a mean.

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