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Pavel [41]
4 years ago
12

Nico wanted to determine the number of students in his school who buy school lunch he walked around the cafeteria one lunch peri

od looking to see weather every fifth person in the cafeteria purchased lunch or brought their own
Mathematics
2 answers:
Lemur [1.5K]4 years ago
7 0

Answer:

D. Observational study

Step-by-step explanation:

We are given that Nico looked around the cafeteria during the lunch to see whether people purchased lunch or brought their own.

It is known that:

1. 'Survey' means to question a wide variety of population about their views on a particular issue.

2. 'Simulation' refers to act out a situation or process in order to find some conclusions.

3. 'Experiment' represent a scientific procedure undertaken in demonstrate a fact or test a hypothesis.

4. 'Observational study' is to study the samples without the variables being under the control of the observer.

nalin [4]4 years ago
4 0
I'm pretty sure the answer is D observational study.

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SOLUTION:

= ( 7 / 24 ) × 100%

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Hope this helps! :)
Have a lovely day! <3
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4 years ago
Note: Figure is not drawn to scale. If x = 7 units, y = 12 units, and h = 10 units, then what is the area of the parallelogram s
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70 units squared

Step-by-step explanation:

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6 0
3 years ago
Read 2 more answers
Find the slope of the line containing the pair of points.<br> (-11,12) and (7, - 2)
Allushta [10]

Answer:

-7/9

Step-by-step explanation:

The slope of the line is -7/9

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6 0
3 years ago
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. A frequency distribution helps determine ________. A) the extent of nonresponse B) the extent of illegitimate responses C) the
kow [346]

Answer:

<h3>Options A) the extent of non-response and  B) the extent of illegitimate responses are correct</h3><h3>A frequency distribution helps determine <u>the extent of non-response and also the extent of illegitimate responses</u></h3>

Step-by-step explanation:

A frequency distribution helps determine <u>the extent of non-response and also the extent of illegitimate responses </u>

<h3>For :</h3>
  • A frequency distribution helps determine the extent of item non-response.
  • It also indicates the extent of illegitimate responses.
  • Values of 0 and 8 would be illegitimate responses, or errors.
<h3>Hence Options A) the extent of non-response and  B) the extent of illegitimate responses are correct</h3>
7 0
3 years ago
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kiruha [24]

Answer:

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Step-by-step explanation:

a) The average is the sum divided by the number of contributors. Let n represent the standard price at Night-Time Rest Days. Then ...

... ($22.45 +18.55 +24.50 +11.20 +n)/5 = $20.60

... 76.70 + n = 103.00 . . . . multiply by 5 and collect terms

... n = $26.30 . . . . standard price at NTRD

b) The lowest standard price is $11.20. The highest breakfast price is $33.00. The range is the difference between these ...

... $33.00 -11.20 = $21.80 . . . . range in cost for a single night

7 0
3 years ago
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