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Travka [436]
3 years ago
14

Please help asap. have a nice day

Mathematics
1 answer:
frozen [14]3 years ago
5 0
I believe it would be A
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A researcher interested in vocabulary development obtains a sample of twenty 3-year old children to participate in a research st
Andreyy89

Answer: b) statistic

Step-by-step explanation:

  • Population = A large groups of individuals sharing the same or similar characteristic by the point og study.
  • Sample  = It is a subset of population .
  • Parameter = It is measure of characteristic in population.
  • Statistic =  It is measure of characteristic in sample.

Since the average score was taken by the group of 20 which is nothing but the sample.

That means, the average score is an example of<u> statistic</u>.

Hence, the correct option is b) statistic .

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3 years ago
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5. Patricia is on the edge of the top of a mountain and notices that a kayak on the lake is 30 meters
zhuklara [117]

The distance from the kayak to the mountain to the nearest whole number is 43 meters.

The situation will form a right angle triangle as shown below in the diagram.

<h3>Properties of a right angle triangle:</h3>
  • One of its angle is 90 degrees.
  • The sides and angle can be found by using trigonometric ratios.

The height(opposite side) of the triangle is the kayak distance from the mountain to the lake below. The distance from the kayak to the mountain is the adjacent side of the triangle.

Therefore, using trigonometric ratios,

tan 35 = opposite / adjacent

tan 35° = 30 / a

a = 30 / tan 35°

a = 30 / 0.70020753821

a = 42.8444402023

a = 42.84 meters

a ≈ 43 meters

learn more on the angle of depression: brainly.com/question/13969247?referrer=searchResults

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Which point does NOT lie on the graph of the line x + 2y = 9?
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b (2, -1) is your answer for this question

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Chad wants to know which professional baseball player is most popular among the 300 students at his school. Which is the most re
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