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aleksley [76]
3 years ago
14

Normal human body temperature, as kids are taught in North America, is 98.6 degrees F. But how well is this supported by data? R

esearchers obtained body-temperature measurements on randomly chosen healthy people.

Mathematics
1 answer:
Furkat [3]3 years ago
6 0

Answer:

Get the mean and standard deviation with excel spreadsheet and do the calculation as shown in details below.

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y=f(x) is odd (f(-x)=-f(x)) and f(x>0) = x^2-5x-12, x is not = to 0. What points does the line f(x)=12 go through.
solmaris [256]
<span>f(x<0)=-f(x>0)=-x^2+5x+12 When x>0, x^2-5x-12=12, x=8, y=12 Therefore, f(x)=12 goes through point (8,12).</span>
5 0
3 years ago
9 batteries cost 13 dollars.It's ratios and Rates
8090 [49]
One battery costs $1.44.

The unit rate would be
\frac{1.44}{1 battery}

To get that answer, you would have to divide 13 ÷ 9.

I'm not sure if this is what you were looking for, but if it was, I hope I helped! :-)
4 0
3 years ago
Read 2 more answers
Decide if the expression is positive or negative. Explain in words how you know, please.
AysviL [449]

Step-by-step explanation:

The first expression is :

-11\times \dfrac{2}{3}

Numerator = -11×2 = -22

Denominator = 3

So, answer will be :

-11\times \dfrac{2}{3}=\dfrac{-22}{3} (negative)

The second expression is:

-11\times \dfrac{-2}{3}

Numerator = -11×-2 = 22

Denominator = 3

So, the answer will be :

-11\times \dfrac{-2}{3}=\dfrac{22}{3} (positive)

Hence, this is the required solution.

7 0
2 years ago
When R2 is more useful than R in linear regression?
valina [46]
<span>Answer: Multiple R is the correlation between y and y^ in a regression model. It is always non-negative, but has no nice interpretation as a proportion of variance, unlike its square. I can't think of too many uses for it and only know of one stat package that routinely reports it, SPSS. Bivariate correlation only tells you about two variables at a time (though you can use partial correlation to remove other variables).</span>
6 0
3 years ago
Pls help this question is way to hard
lubasha [3.4K]

Answer:

men dog-59.09 women-40.90  total- 100%

men cat-61.29 women-38.70  total- 100%

men bird-39.13 women- 60.87  total- 100%

men total- 55.83   women- 44.16  total- 100%

Step-by-step explanation:

6 0
3 years ago
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