MATHEMATICS COLLEGE

Data sets A and B are dependent. Find mean of the differences (d bar).A 32 30 49 45 33
B 30 26 27 37 24
Assume the paired data came from a population that is normally distributed.

Answers

Answer 1
Answer:

Answer:

9.0

Step-by-step explanation:

Mean = Sum of terms/Number of terms

For Data Set A

Mean = 32 + 30 + 49 + 45 + 33/5

= 189/5

= 37.8

For Data Set B

Mean = 30 + 26 + 27 + 37 + 24/5

= 144/5

= 28.8

Hence, the Mean difference is calculated as the absolute difference between the Mean of Data set A and Data set B

Mean Difference = 37.8 - 28.8

= 9.0

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Simplify 2c+6d+4c-8c

Answers

-2c+6d
try to put same letters near each other so re-arrange it.
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What is the exact circumference of the circle?

Answers

Answer:    c=2πr

Step-by-step explanation:

because im just that guy

Answer:

c=62.8

Step-by-step explanation:

diameter=20

radius=10

c=2πr

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You own a share of a stock worth $400 . It decreases 5% .how much is it worth now?

Answers

Answer:

380$

Step-by-step explanation:

Multiply 400*5%=20

Then subtract 400-20=380

Answer:

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Step-by-step explanation:

From 12 teachers to 48 teachers using perecent

Answers

Answer:

Teachers increase = 300 %

Step-by-step explanation:

Method to increase or decrease:

Change= Actual - Original

Actual= 48

Original= 12

Change= 48-12= 36

P= (Change)/(Original) * 100

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A giant fish tank at the zoo contains z Halibut. The tank contains 4times as many Bluefin Tuna as Halibut. Write an equation that
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Answers

Answer:

Y=4Z

Step-by-step explanation:

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Answers

Answer is lots of god Which equation is the inverse of y = 100 – x2?








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