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Anit [1.1K]
2 years ago
13

1: How many total pounds of potatoes were rationed each week?

Mathematics
1 answer:
SashulF [63]2 years ago
6 0

Answer:

jk rjliukrulukurkd heeeey k37739

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PLEASE HELP!!! You must show your work to receive credit for this item.
Natalka [10]
The answer to this question is 12
8 0
3 years ago
G two samples, one of size 14 and the second of size 13, are selected to test the difference between two population means. how m
vovikov84 [41]

Note :- If sample size n > 30 OR Population standard deviation σ is given then We use Z test.

If sample size n < 30 AND Population standard deviation σ is unknown then we use t test.

In this question we are not given Population standard deviations σ1 and σ2.

Also n1 = 14 and n2 = 13 both sample sizes are LESS than 30.

Therefore we use t test.

Given :- Assume the population standard deviations are equal. ( σ1 = σ2)

then Degrees of freedom = n1 + n2 - 2 = 14 + 13 - 2 = 25.

(kindly find the image attached with this solution)

Answer :- Therefore 25 degrees of freedom are used to find the t critical value.

5 0
3 years ago
2r + 1.6b = 10 but r is independent variable
kipiarov [429]

Answer:

it's either B=6.25-1.25r or it's r=5-0.8b

8 0
2 years ago
Help on this would be greatly appreciated
Veseljchak [2.6K]
Try photo math or google it. Best luck!
7 0
3 years ago
Devaughn is 7 years younger than Sydney. the sum of their ages is 89. What is Sydney’s age?
olga55 [171]

Answer:

48 years old and Devaughn is 41

Step-by-step explanation:

math

3 0
3 years ago
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