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3 years ago

1+1 Can someone answer

Mathematics

1 answer:

Leya [2.2K]3 years ago

4 0

Answer:

2 is the answer but 11 in binary

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The College Board provided comparisons of Scholastic Aptitude Test (SAT) scores based on the highest level of education attained

poizon [28]

Answer:

a. $H_{0}:$ u1≤u2

$H_{a} :u1>u2$

b P<0.05 rejected H

Step-by-step explanation:

College High School

485 442

534 580

650 479

554 486

550 528

572 524

497 492

592 478

487 425

533 485

526 390

410 535

515

578

448

469

The mean is the average . the sum of number over the number of observation

x1=525

x2=487

s.d1=59.42

s.d2=51.74

n1=16

n2=12 $\alpha =0.05$

Determine the hypothesis

$H_{0}:$ u1≤u2

$H_{a} :u1>u2$

find the degree of freedom $(\frac{s1^2}{n1} +\frac{s2^2}{n2} )^2/(\frac{s1^2}{n1} )^2/n1-1+(s2^2/n2)^2/n2-1\\\\(\frac{59.42^2}{16} +\frac{51.7476^2}{12} )^2/(\frac{59.42^2}{16} )^2/16-1+(51.74^2/12)^2/12-1$

p-value is the probability of obtaining the value of the test statistics. In the column of t-value in the row df=25

0.025<P<0.05

if the P value is actually less than or the same as the significant level, then the null hypothesis is rejected

P<0.05 rejected H

8 0

3 years ago

What is -3.5+(-4.9)=?What is the answer please?

musickatia [10]

Answer:

The answer is -8.4

6 0

3 years ago

Can someone please help me?

omeli [17]

Answer:

The answer would be Part F

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2 years ago

Solve the for variable c+7=13 c = ?

nika2105 [10]

Answer:

c=6

Step-by-step explanation:

c+7=13

-7 -7

c=13-7

c=6

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3 years ago

Write the equation.Please help

Mamont248 [21]

Y = 3x is the answer
I did the math

8 0

3 years ago

1+1 Can someone answer​

1+1 Can someone answer