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monitta
3 years ago
7

What is

Mathematics
1 answer:
san4es73 [151]3 years ago
4 0
Specify, what are you needing?
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Sum divided by count. Add up all the numbers and divide it by how many numbers it is.
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4/7 is the result when 1/2 and x are added.
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By solving the equation
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A manager of the credit department for an oil company would like to determine whether the mean monthly balance of credit card ho
valkas [14]

Answer:

c) t-test of population mean

Explanation:

The t-test statistic is used in hypothesis testing. Here we would use a one sample t test to test our hypothesis. The one sample t test measures the statistical difference between the hypothesized mean and the sample mean. In a one sample t test or single sample t test, a test variable is measured against a test value.

Example we compare our test variable to the hypothesized mean value $75 above.

The t test is used instead of z score when standard deviation is unknown.

Using the t test, we either accept or reject the null hypothesis given alternative hypothesis.

6 0
2 years ago
Set of real numbers list the set to which each number belongs??
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Answer:

all numbers natural,integer,rational,real algebra comes under real numbers

except the equations with alphabets

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