subject
Mathematics, 15.12.2020 15:20 fxllsxn

The standard deviation of the sound levels from 20 randomly selected spots in our college was 4.1 dBA, while the standard deviation from another 24 randomly selected spots was 7.5 dBA. Set , then we should

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 14:00
Which pair of lines is parallel? a. y=4x+1 and y+4=5 b. y=-2+x and 2y-2x=-2 c. y=1/4x + 2 and y-2=1/2x d. y=1/5x+1 and 5y+x= 10
Answers: 2
question
Mathematics, 21.06.2019 18:00
Factor x2 – 8x + 15. which pair of numbers has a product of ac and a sum of what is the factored form of the
Answers: 1
question
Mathematics, 21.06.2019 19:40
Which is greater, 7 p 5 or 7 c 5? 7p5 7c5
Answers: 1
question
Mathematics, 21.06.2019 20:30
Find the zeros of each function. f(x) = 6x^2 - 7x - 20
Answers: 1
You know the right answer?
The standard deviation of the sound levels from 20 randomly selected spots in our college was 4.1 dB...
Questions
question
Mathematics, 02.12.2020 05:00
question
Mathematics, 02.12.2020 05:00
question
Geography, 02.12.2020 05:00
question
English, 02.12.2020 05:00