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Svetradugi [14.3K]
3 years ago
5

Two independent samples of size 50 and 50 to test the difference between the population means

Mathematics
1 answer:
Artist 52 [7]3 years ago
4 0
Homework is for kewl dudes
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-3.6,-5.4,-8.1,-12.15 arithmetic or geometric or neither.
Brums [2.3K]

Answer:

Geometric Sequence

Step-by-step explanation:

1. Check the difference.

The difference between the 1st and 2nd term

( - 5.4) - ( - 3.6) =  - 1.8

The difference between the 2nd and 3rd term

( - 8.1) - ( - 5.4) =  - 2.7

The difference is not the same. Therefore, it is not an arithmetic sequence.

2. Check the ratio

The ratio between the 1st and 2nd term

( - 5.4) \div ( - 3.6) = 1.5

The ratio between the 2nd and 3rd term

( - 8.1) \div ( - 5.4) = 1.5

The ratio is the same. Therefore, it is a geometric sequence.

8 0
3 years ago
If y varies directly as x^2 find k when x=2 and y=8
Grace [21]
I think the answer is 2
8 0
4 years ago
. <br> What is 0.4 expressed as a fraction in simplest form?
Anvisha [2.4K]
The answer to that is 2/5
4 0
2 years ago
Read 2 more answers
Which of the following describes the algebraic expression 5(x+2)-3
Pavel [41]

5X+7 is the correct answer
3 0
3 years ago
The Ferrels save $150 each month for their next summer vacation. Write an equation that they can use to find s, their savings, a
jeka57 [31]
One equation you can use is:
$150*M=S
6 0
3 years ago
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