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missmontgomery21
09.03.2021 •
Mathematics
Answer, please. I need help.
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Ответ:
I don't believe it is possible to evaluate the expression.
Step-by-step explanation:
According to an algebra calculator, there is no way to evaluate it because there is no variable. Hopefully this helps?
Ответ:
5
Step-by-step explanation:
5^3 = 125
Ответ:
The value of the test statistic and the number of degrees of freedom is 2.148 and 11 respectively.
Step-by-step explanation:
The mean annual tuition and fees for a sample of 12 private colleges was $36,800 with a standard deviation of $5000
n = 12
Claim: You wish to test whether the mean tuition and fees for private colleges is different from $33,700
Since n < 30 and sample standard deviation is given so, we will use t test
Formula :![t = \frac{x-\mu}{\frac{s}{\sqrt{n}}}](/tpl/images/0391/9294/7de6c.png)
Substitute the values in the formula :
Degree of freedom = n-1 = 12-1 =11
So,. Option D is true
Hence the value of the test statistic and the number of degrees of freedom is 2.148 and 11 respectively.