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natita [175]
3 years ago
5

A hypothesis regarding the weight of newborn infants at a community hospital is that the mean is 6.6 pounds. A sample of seven i

nfants is randomly selected and their weights at birth are recorded as 9.0, 7.3, 6.0, 8.8, 6.8, 8.4, and 6.6 pounds. The null hypothesis is ________.
Mathematics
1 answer:
fenix001 [56]3 years ago
6 0

Answer:

the null hypothesis is 5.6

Step-by-step explanation:

no step by step srry

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Ascending order 1/2 1/3 5/12 3/4​
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Step-by-step explanation:

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3 years ago
Suppose a horticulturist measures the aboveground height growth rate of four different ornamental shrub species grown in a green
torisob [31]

Complete Question

The complete question is shown on the first uploaded image

Answer:

The decision is to <u>reject</u> the <u> null hypothesis</u> at a significant level of <u>significance </u> \alpha  = 0.05 There is <u>sufficient </u> evidence to conclude that <u>at least one of the population mean</u>  is <u>different from</u>  <u>at least of the population</u>  

Step-by-step explanation:

From the question we are told that the claim is

     The mean growth rates of all four species are equal.

The  null hypothesis is  

             H_o  :  \mu _1 =  \mu_2 = \mu_3  =  \mu_4

Th alternative hypothesis is    

             H_a: at \ least \ one \ of \  the \  means \ is \not\ equal

From question the p-value is p-value  =  0.015

  And since the p-value <  \alpha so the null hypothesis will be rejected

So  

   The decision is to <u>reject</u> the <u> null hypothesis</u> at a significant level of <u>significance </u> \alpha  = 0.05 There is <u>sufficient </u> evidence to conclude that <u>at least one of the population mean</u>  is <u>different from</u>  <u>at least of the population</u>  

7 0
3 years ago
I need help with this math homework and need how u did it
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Multiply 45 degrees and 72 degrees

5 0
2 years ago
Can someone please help me with both b and c
Lesechka [4]
B)
To go from fig. 1 to fig.2 you would dialate 1:3, or 3 times the size

c)
The opposite would be true since you are going the opposite direction. 3:1, 1/3 of the size

Hope this helps:)
8 0
3 years ago
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