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3 years ago

Whats the answer is for math btw fidsf

Mathematics

1 answer:

ra1l [238]3 years ago

6 0

Step-by-step explanation:

Since this is a select as many answers that are right, there are obviously many answers that are correct.

First, you get m by itself, so you divide 6 with 300.

So,

6m < 300

___ ___

6 6

m < 50

So the answers are numbers less than 50.

Which are the first four answers:

A, B, C, D

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Calculating the degrees of freedom, the sample variance, and the estimated standard error for evaluations using the t statistic

Yuliya22 [10]

Answer:

a) For the first part we have a sample of n =10 and we want to find the degrees of freedom, and we can use the following formula:

$df = n-1= 10-1=9$

d.9

b) $s^2 = \frac{SS}{n-1}= \frac{600}{41-1}= 15$

a.15

c) For this case we have the sample size n = 25 and the sample variance is $s^2 =400$ , the standard error can founded with this formula:

$SE = \frac{s^2}{\sqrt{n}}= \frac{400}{\sqrt{25}}= 80$

Step-by-step explanation:

Part a

For the first part we have a sample of n =10 and we want to find the degrees of freedom, and we can use the following formula:

$df = n-1= 10-1=9$

d.9

Part b

From a sample we know that n=41 and SS= 600, where SS represent the sum of quares given by:

$SS = \sum_{i=1}^n (X_i -\bar X)^2$

And the sample variance for this case can be calculated from this formula:

$s^2 = \frac{SS}{n-1}= \frac{600}{41-1}= 15$

a.15

Part c

For this case we have the sample size n = 25 and the sample variance is $s^2 =400$ , the standard error can founded with this formula:

$SE = \frac{s^2}{\sqrt{n}}= \frac{400}{\sqrt{25}}= 80$

8 0

3 years ago

33/15 as a mixed number or whole number please hurry!

balu736 [363]

Answer:

2½

Step-by-step explanation:

33÷15 you got this don't give up

4 0

2 years ago

A men's department store sells 3 different suit jackets, 6 different shirts, 8 different ties, and 4 different pairs of pants. h

Ksenya-84 [330]

Jackets = 3
Shirt = 6
Ties = 8
Pants = 4

Number of combination = 3 x 6 x 8 x 4 = 576

Answer: There are 576 possible combinations.

3 0

3 years ago

Can someone help on my math test? giving out brainiest!

katovenus [111]

Answer:

None of them are correct because the circumference formula is 2pir

8 0

3 years ago

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There are 325 rows of 9 chairs in the theater. There are 102 chairs in the the balcony. About how many chairs are there?

Lesechka [4]

Answer:

There are 3027 chairs

Step-by-step explanation:

There are 2925 chairs in the theater and 102 chairs in the balcony

all together are 3027

6 0

3 years ago

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