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Cerrena [4.2K]
3 years ago
5

Please write down the regression model corresponding to these three effects that you considered in part a. What combination of f

actor levels produces the longest tool life
Mathematics
1 answer:
Goshia [24]3 years ago
4 0

Answer: Longest tool life is at A-, B+ and C+, for an average predicted life of 552.5. From examination of the cube plot, we see that the low level of cutting speed and the high level of cutting angle gives good results regardless of metal hardness.

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A carpenter has two pieces of wood. He wants to find the density of each piece.
laila [671]

Answer:

The wood from the birch tree has a greater density than the wood that came from the cypress tree.

Step-by-step explanation:

Density formula: mass/volume

2 times 4 times 3=24 meters for the volume

Birch tree: 16/24 is the density

3 times 5 times 2=30 meters for the volume

Cypress tree: 15.3/30 is the density

If we convert the densities of each piece of wood to decimal it will be easier to determine which has a greater density.

So birch tree: 0.6 repeating is the density

Cypress tree: 0.51 is the density

Therefore the wood that came from the birch tree has a greater density than the wood that came from the cypress tree.

Hope I helped, have a nice day :)

6 0
3 years ago
2 , 19, 4, 1,8<br><br> median ???
Anuta_ua [19.1K]
4. line them up least to greatest and the one in the middle is the median, which is 4.
7 0
3 years ago
Read 2 more answers
We want to know if there is a difference between the mean list price of a three bedroom home, , and the mean list price of a fou
Vitek1552 [10]

Answer:

The alternative hypothesis will state that there is significant difference between the mean list price of a three bedroom home and the mean list price of a four bedroom home.

H_a:\mu_1-\mu_2\neq 0

Step-by-step explanation:

This would be an two-sample hypothesis test for the difference between two means.

As we are looking for differences, we are not testing if one population mean is bigger than the other. This will  be a two-tailed test and the alternative hypothesis will have a unequal sign.

The alternative hypothesis will state that there is significant difference between the mean list price of a three bedroom home and the mean list price of a four bedroom home.

This can be written as:

H_a:\mu_1-\mu_2\neq 0

meaning that the population means are significantly different.

3 0
4 years ago
Write three numbers that are greater than 543,00 but less than 544,00
sveticcg [70]
54330, 54360, 54399 are all numbers that are lower than 54400 but greater than 54300
5 0
3 years ago
Which symbol can be used to correctly compare the two fractions? Use &gt; , &lt; , or =. Enter your answer in the box. 75100 34
Bad White [126]

75100 > 34

75100 is greater than 34

4 0
3 years ago
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