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Andreas93 [3]
4 years ago
15

Can the standard deviation be greater than the mean?

Mathematics
1 answer:
denpristay [2]4 years ago
3 0
<span>The standard deviation can be zero if all the data points are the same. Thestandard deviation can be larger than the mean. The range of numbers has to be large for this to occur. One such sample is {0, 0, 1, 15, 20}, where = 7.2 and s 8.6.</span>
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Can somebody help me out?
Viefleur [7K]

Answer:

Yeah

Step-by-step explanation:

5 0
3 years ago
An individual needs a daily supplement of at least 420 units of vitamin C and 170 units of vitamin E and agrees to obtain this s
Ierofanga [76]

Answer:

To obtain equivalent amount from both foods we can eat 10 ounces of Food I and 5 Ounces of food II

To obtain minimum cholesterol, the individual should eat only 21 ounces of food II and zero ounce of food for the daily supplement of the individual

Step-by-step explanation:

Food I contains 32×C + 10×E per ounce

Food II contains 20×C + 14×E  

Here we have X × (Food I) + Y × (Food II) = 420 C + 170 E

32·X + 20·Y = 420 C

10·X + 14·Y = 170 E

Therefore

X = 10 and Y = 5

To minimize the cholesterol, we can increase amount of Food II to get

21 ounces of food II gives

420 units of vitamin E and 294 units of vitamin E with 273 units of cholesterol.

 

                     

3 0
3 years ago
A car moving at a constant speed passed a timing device at t=0. After 9 ​seconds, the car has traveled 837 ft. Write a linear fu
diamong [38]

Answer:

at t=0 the car has moved 0 feet, also you know it has a constant speed so you get the points:

P1:(0,0) therefore you know b, the y-intercept=0

P2:(8,840)

insert P2 into y=mx+b

840=8m+0

840/8=m

105=m

so the result is:

y=105x=105t=f(t)=d

Step-by-step explanation:

7 0
3 years ago
Given the ratio of 6 feet:72 inches, how many inches are equivalent to 3 feet
irina1246 [14]

Answer:

36 inches

Step-by-step explanation:

6 feet equals 72 inches. 6 divided by 2 is 3 so you do 72 divided by 2. 72 divided by 2 is 36 inches.

Hope this helps :)

7 0
3 years ago
PLEASE ANSWER + BRAINLIEST!!!
quester [9]
Use the Cosine Rule

q^2 = 20^2 + 30^2 - 2^20*30 cos 15

       =  140.89

so q = sqrt 140.89 =  11.9 (answer)
6 0
4 years ago
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