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Elina [12.6K]
1 year ago
7

Identifying a Valid Sample Natasha wants to find out if the neighborhood supports lowering the speed limit on the street in fron

t of her school. Which is a valid sample for the survey? students in Natasha’s social studies class parents who live in a town 15 miles away from Natasha’s school the first 5 drivers who drive past Natasha’s school one morning thirty residentsIdentifying a Valid Sample Natasha wants to find out if the neighborhood supports lowering the speed limit on the street in front of her school. Which is a valid sample for the survey?
A. students in Natasha’s social studies class parents who live in a town 15 miles
B.away from Natasha’s school the first 5 drivers who drive past Natasha’s C.school one morning thirty residents who live within a 2-miles radius of D.Natasha’s school who live within a 2-miles radius of Natasha’s school
Mathematics
2 answers:
nekit [7.7K]1 year ago
7 0

D - Thirty Residents Who Live Within a 2-Miles Radius Of Natasha’s School

blsea [12.9K]1 year ago
3 0

Answer:

thirty residents who live within a 2-miles radius of Natasha’s school

Step-by-step explanation:

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They should have 3 daffodils and 1 rose in each bouquet and that will equal 8 bouquets.
8 0
1 year ago
Given the image below, what is the image of C after a dilation with a scale factor of 3
Ne4ueva [31]

Answer: The coordinates of point C after the dilation are (-2, 5)

Step-by-step explanation:

I guess that you want to find where the point C ends after the dilation.

Ok, if we have a point (x, y) and we do a dilation with a scale A around the point (a,b), then the dilated point will be:

(a + A*(x - a), b + A*(y - b))

In this case we have:

(a,b) = (2,1) and A = 3.

And the coordinates of point C, before being dilated, are: (1, 2)

Then the new location of the point C will be:

C' = (1 + 3*(1 - 2), 2 + 3*(2 - 1)) = (1 -3, 2 + 3) = (-2, 5)

6 0
2 years ago
The following table shows the number of hours some teachers in two schools expect students to spend on homework each week: Schoo
Lerok [7]

Answer:

For school A: Minimum=6, Q₁=6.5, Median= 14, Q₃=16, Maximum=17, IQR=9.5

For school B: Minimum=5, Q₁=8, Median= 12, Q₃=15.5, Maximum=19, IQR=7.5

No, the box plots are not symmetric.

Step-by-step explanation:

Part A

The given data sets are

School A : 9,14,15,17,17,7,15,6,6

School B : 12,8,13,11,19,15,16,5,8

Arrange the data in ascending order.

School A : 6,6,7,9,14,15,15,17,17

School B : 5,8,8,11,12,13,15,16,19

Divide each data set in four equal parts.

School A : (6,6),(7,9),14,(15,15),(17,17)

School B : (5,8),(8,11),12,(13,15),(16,19)

For school A:

Minimum=6, Q₁=6.5, Median= 14, Q₃=16, Maximum=17

Interquartile range of the data is

IQR=Q_3-Q_1=16-6.5=9.5

For school B:

Minimum=5, Q₁=8, Median= 12, Q₃=15.5, Maximum=19

Interquartile range of the data is

IQR=Q_3-Q_1=15.5-8=7.5

Part B:

The box plots are not symmetric because the data values are different. Five number summary and IQR of both the data set are different.

4 0
2 years ago
A vehicle travels 250 feet every three seconds find the value of the ratio the unit rate and the constant of proportionality how
PSYCHO15rus [73]

to find the unit rate/constant of proportionality , you'd have to dive 250 by three. and they are related because they are the same thing.

8 0
2 years ago
Melissa practiceted piano for 5/6 of an hour. On Monday and 8/9 of an hour on Tuesday. How many more minutes did she practice on
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Answer:

24 hrs

Step-by-step explanation:

99594iu58

3 0
2 years ago
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