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FromTheMoon [43]
3 years ago
8

A medical researcher claims that 10 % of children suffer from a certain disorder. Identify the type I error for the test.

Mathematics
1 answer:
Y_Kistochka [10]3 years ago
7 0

Answer:

D: Reject the claim that the percentage of children who suffer from the disorder is equal to 10% when that percentage is actually 10%.

Step-by-step explanation:

In statistics, type I error is when we reject the null hypothesis even when it is true.

Now, the claim which is the null hypothesis is that that 10 % of children suffer from a certain disorder.

This means that a type I error will be;

Reject the claim that the percentage of children who suffer from the disorder is equal to 10% when that percentage is actually 10%.

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During statistical analysis, the investigator may consider searching for statistical associations among various groups that may
IceJOKER [234]

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Answer:

This is known as Data dredging.

Step-by-step explanation:

In order for any statistical analysis to be significant, a researcher has to first generate a hypothesis.  

Data dredging is trying to uncover patterns in data that can be presented statistically without devising a clear hypothesis by use data mining.  It is also referred to as data fishing or p-hacking.  

In this case any correlation (relationship between cause-effect)will be purely by chance.

Therefore, the investigator is Data dredging

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2 years ago
22. If y = 1/3(x - 2), express x in terms of y A. X = 3y - 2 B. x = 3y + 2 C. x=y D. x=-Y​
bagirrra123 [75]

Answer:

B. x= 3y+2

Step-by-step explanation:

y=⅓x-⅔

⅔+y=⅓x

(⅔÷⅓)+(y÷⅓)=⅓x÷⅓

2+3y=x

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2 years ago
Marilyn has 7/8 yard of ribbon. What is the maximum number of 1/16 yard-long pieces can she cut from this ribbon?
vazorg [7]
He can cut a max of 14
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3 years ago
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3 years ago
In a choir, the ratio of boys to girls is 5 to 6. There are 10 boys in the choir. What is the total number of boys and girls in
lidiya [134]

Answer:

22

Step-by-step explanation:

Boys to Girls

5 to 6

10 to ?

Since 10 is twice as much as 5, we have to multiply the number of girls by 2. 6 times 2 is equal to 12. Then, since we need to find the total number of boys and girls, we have to add both sides. 10 (boys) plus 12 (girls) equals 22.

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