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melamori03 [73]
3 years ago
7

Festival pie chart of Meghalaya​

Mathematics
2 answers:
boyakko [2]3 years ago
7 0

私いけない知る ザ答えるごめんなさい

ハハハハあなたの敗者

ファックあなたが

WITCHER [35]3 years ago
4 0

Answer:

refer the attachment______

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Independent random samples of vehicles traveling past a given point on an interstate highway have been observed on monday versus
quester [9]
Hi! 

To compare this two sets of data, you need to use a t-student test:

You have the following data:

-Monday n1=16; <span>x̄1=59,4 mph; s1=3,7 mph

-Wednesday n2=20;  </span>x̄2=56,3 mph; s2=4,4 mph

You need to calculate the statistical t, and compare it with the value from tables. If the value you obtained is bigger than the tabulated one, there is a statistically significant difference between the two samples.

t= \frac{X1-X2}{ \sqrt{ \frac{(n1-1)* s1^{2}+(n2-1)* s2^{2} }{n1+n2-2}} * \sqrt{ \frac{1}{n1}+ \frac{1}{n2}} } =2,2510

To calculate the degrees of freedom you need to use the following equation:

df= \frac{ (\frac{ s1^{2}}{n1} + \frac{ s2^{2}}{n2})^{2}}{ \frac{(s1^{2}/n1)^{2}}{n1-1}+ \frac{(s2^{2}/n2)^{2}}{n2-1}}=33,89≈34

The tabulated value at 0,05 level (using two-tails, as the distribution is normal) is 2,03. https://www.danielsoper.com/statcalc/calculator.aspx?id=10

So, as the calculated value is higher than the critical tabulated one, we can conclude that the average speed for all vehicles was higher on Monday than on Wednesday.



5 0
3 years ago
Approximate the solution to this system of equations. (6 points)
mr_godi [17]

Answer:

The solution is (-2/3,7/3)

Step-by-step explanation:

1) What is the bottom part saying? I will just solve what I see on top since that may be the only part you need to solve, comment what the bottom part is if you need it, I'll help.

2) y=7/3 by solving. for y.

3) x = -4/6 by solving for x after plugging in the y.

4) Your answer is (-2/3,7/3).

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2 years ago
What is the remainder of x^4-6x^3-10x^2+20x+15
sergejj [24]

Answer:

0 - 1

Step-by-step explanation:

U can do by simple division method to get the answer

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3 years ago
What is 5c2×(3/4)2×(1/4)5-2
Jobisdone [24]
Very hard question....
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3 years ago
5. A soil sample has a ratio of nitrogen to calcium of 4:6. If
shusha [124]

I uploaded the answer to a file hosting. Here's link:

tinyurl.com/wpazsebu

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