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GrogVix [38]
3 years ago
10

Two math classes took the same quiz. The scores of 10 randomly selected students from each class are listed below. • Sample of C

lass A: 75, 80, 60, 90, 85, 80, 70, 90, 70, 65 • Sample of Class B: 95, 90, 85, 90, 100, 75, 90, 85, 90, 85 Based on the medians of the scores for each class, what inference would you make about the quiz scores of all the students in Class A compared to all the students in Class B? Explain your reasoning to justify your answer.
Mathematics
1 answer:
padilas [110]3 years ago
6 0

Answer:

Step-by-step explanation:

First you have to find the medians which is when you put the numbers in number order and find the one in the middle.

Class A: 60,65,70,70,75,80,80,85,90,90

=77.5

Class B: 75,85,85,85,90,90,90,90,95,100

=90

That the class B is more advanced, and they probably studied.

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Answer:

1

Step-by-step explanation:

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Step-by-step explanation:

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Juan roller skated for 2 hours 40 minutes with a constant speed of 18 m/h and then for another 1 hour 50 minutes with a constant
Nikolay [14]

Answer: 136 m

Step-by-step explanation:

For first interval,

Time = 2 hours 40 minutes  = 2+\dfrac{40}{60}\text{ hours}\ [\text{1 hour = 60 minutes}]

=2+\dfrac{2}{3}=\dfrac{8}{3}\ \text{hours}

Speed = 18 m/h

Distance = \dfrac{8}{3}\times18=48\ m[Formula : Distance=Speed x time]

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3 years ago
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tino4ka555 [31]

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7 0
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Read 2 more answers
What is the approximate length of arc s on the circle below? 330 degrees central angle radius 12 feet
Aneli [31]

Answer:

69.08\ ft

Step-by-step explanation:

step 1

Find the circumference of the circle

The circumference is equal to

C=2\pi r

we have

r=12\ ft

substitute

C=2\pi (12)

C=24\pi\ ft

step 2

Find the approximate length of arc s

we know that

The circumference of the circle subtends a central angle of 360 degrees

so

using proportion

Find out the length of arc for a central angle of 330 degrees

\frac{24\pi}{360}=\frac{x}{330}\\\\x=24\pi(330)/360

x= 22\pi\ ft ----> exact value

assume

\pi =3.14

22\pi\ ft=22(3.14)=69.08\ ft ----> approximate value

3 0
3 years ago
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