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avanturin [10]
3 years ago
13

Assume you have a sample of n1=8, with a sample mean X1= 42 and a sample standard deviation, S1 = 4 and an independent sample of

n2=15 from another population with a sample mean of X2=34 and a sample standard deviation of S2 = 34. The pooled variance, Sp 2 = 776.
a. What is the value of the tSTAT for testing H0 : µ1 = µ2?
b. In finding the critical value, how many degrees of freedom are there?
c. What is your statistical decision?
Mathematics
1 answer:
patriot [66]3 years ago
5 0

Answer:

Step-by-step explanation:

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1 Point
malfutka [58]

Answer:

The solution of the system is

x=8, y=11

Step-by-step explanation:

we have

y = 2x-5 ----> equation A

y = x+3 ----> equation B

Solve the system by graphing

Remember that the solution of the system of equations is the intersection point both graphs

using a graphing tool

The intersection point is (8,11)

see the attached figure

therefore

The solution of the system is

x=8, y=11

7 0
3 years ago
What is 1/8 divided by 2
erma4kov [3.2K]

Answer:

Divide: 2 : 1

8

= 2

1

· 8

1

= 2 · 8

1 · 1

= 16

1

= 16

Dividing two fractions is the same as multiplying the first fraction by the reciprocal value of the second fraction. The first sub-step is to find the reciprocal (reverse the numerator and denominator, reciprocal of 1

8

is 8

1

) of the second fraction. Next, multiply the two numerators. Then, multiply the two denominators.

In words - two divided by one eighth = sixteen.

SO FINAL ANSWER IS 16!!! HOPE THIS HELPS YOU mark me the brainliest if im correct

6 0
4 years ago
Read 2 more answers
Which two transformations were preformed
Delicious77 [7]

a stretch by 3 and a rotation

7 0
3 years ago
IF YOU HELP ME ILL WILL GIVE YOU BRAINLIST AND 50 PONITS HELP ME PLZZZZZ
labwork [276]
I think the answer is A because the data is skewed to the right 
The median (middle) isn't 10, it's 8 
The interquartile range (IQR) is 7 not 6 because you have to subtract the first and third quartile 13 - 6 = 7 not 6

Hope this helps! ;)
8 0
3 years ago
Read 2 more answers
If nicholas spends $8.10 on pixie sticks,then how many pounds did he purchase?
Alex787 [66]

Answer:

how much does 1 pound cost?

6 0
3 years ago
Read 2 more answers
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