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2 years ago

6

How many hours of sleep do you get each night? Is this a statistical question

1 answer:

noname [10]2 years ago

4 0

Answer:

Yes.

Step-by-step explanation:

This is a statistical question because a statistical question is a question that can be answered by collecting data that vary. The question that you provided would have different answers from different people.

Another example of a statistical question could be: "How old are the students at my school?" This would be statistical because once again, the ages will vary from different people.

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Brennans rectangular kitchen has an area of 81 ft.² the kitchen is nine times as many square feet is Brian’s pantry if the recta

svp [43]

The answer is 6561 because 81^2=6561

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2 years ago

My car gets 23 miles per gallon at 60 miles per hour. Is the number of miles I can drive at 60 miles per hour a linear function

stiv31 [10]

9514 1404 393

Answer:

yes

Step-by-step explanation:

The constant ratio (23 mi)/(1 gal) tells you the number of miles is a linear function of the number of gallons.

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1 year ago

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Nina [5.8K]

Answer:

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Step-by-step explanation:

4 0

1 year ago

Read 2 more answers

Cna i get some help with dis plz

Tomtit [17]

Let $b_1,b_2,\ldots,b_{20}$ be the 20 marks of the boys, and $g_1,g_2,\ldots,g_{10}$ be the 10 marks of the girls.

We know that the global mean was 70, meaning that

$\dfrac{b_1+b_2+\ldots+b_{20}+g_1+g_2+\ldots+g_{10}}{30}=70$

Multiplying both sides by 30 we deduce that the sum of the scores of the whole classroom is

$b_1+b_2+\ldots+b_{20}+g_1+g_2+\ldots+g_{10}=2100$

By the same logic, we work with the marks of the boys alone: we know the average:

$\dfrac{b_1+b_2+\ldots+b_{20}}{20}=62$

And we deduce the sum of the marks for the boys:

$b_1+b_2+\ldots+b_{20}=1240$

Which implies that the sum of the marks of the girls is $2100-1240=860$

And finally, the mean for the girls alone is

$\dfrac{860}{10}=86$

6 0

2 years ago

10 x 200 is how many tens

melisa1 [442]

10 x 200 is 2000
therefore there are 200 tens .

7 0

2 years ago

Read 2 more answers