Help i dont get this stuff

Mathematics

1 answer:

s344n2d4d5 [400]2 years ago

3 0

Answer: -0.8, 1/6, 1/4, 5/18

The negative number is the smallest. To find the order for the fractions, find a common denominator and then order them. The common denominator of 18, 4, and 6 is 36.

So, 5/18 becomes 10/36, 1/4 becomes 9/36, and 1/6 becomes 6/36.

So, the final order is -0.8, 1/6, 1/4, 5/18.

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Find the range, mean, and standard deviation of the data set (3, 6, 9, 11, 15, 16) The range is 13 (Type a whole number.) The me

iris [78.8K]

Answer: The range is 13. The mean is 10. The standard deviation is 4.62 .

Step-by-step explanation:

The given data : 3, 6, 9, 11, 15, 16

Total number of data values : n = 6

The mean of data is given by :-

$\overline{x}=\dfrac{\sum^6_{i=1}x_i}{n}\\\\\Rightarrow\overline{x}=\dfrac{60}{6}=10$

The standard deviation is given by :-

$\sqrt{\dfrac{1}{n}(\sum^6_{i=1}(x_i-\overline{x})^2)}\\\\=\sqrt{\dfrac{1}{6}(\sum^6_{i=1}(x_i-10)^2)}\\\\=\sqrt{\dfrac{1}{6}\times(49+16+1+1+25+36)}=4.61880215352\approx4.62$