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mars1129 [50]
3 years ago
12

PLEASE HELP WILL MARK BRAINLIEST

Mathematics
1 answer:
nasty-shy [4]3 years ago
8 0

The temperature rose, which means it increased. An increase is a positive value, so add a plus sign in front of the number: +4

A decrease is a negative value, so add a negative sign in front of the value: -19

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A butcher has 10 3/4 pounds of ground beef that will be priced at 3.40 dollars per pound. He divides the meat into 8 equal packa
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2 years ago
What is 0.8^2 3.15 please i need the answer by tonight
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3 0
3 years ago
When we reject the null and the null is true, we have a made a _________ __________.
nydimaria [60]

When we reject the null and the null is true, we have a made a type I error

The null hypothesis in statistics states that there is no difference between groups or no relationship between variables. It is one of two mutually exclusive hypotheses about a population in a hypothesis test.

null hypothesis is denoted as H₀

Reject the null hypothesis when the p-value is less than or equal to your significance level. Your sample data favor the alternative hypothesis, which suggests that the effect exists in the population. When you can reject the null hypothesis, your results are statistically significant.

when the p-value is greater than your significance level, you fail to reject the null hypothesis.

Sometimes , we reject our null hypothesis even when its true

there we made a type I error in hypothesis

To know more about null hypothesis here

brainly.com/question/19263925

#SPJ4

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1 year ago
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