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RideAnS [48]
2 years ago
5

Dwight sits near a bowl of candies in his office. He observed how many candies each person took in a sample of 444 visits. Here

is how many candies each person took: 1, 2, 1, 41,2,1,41, comma, 2, comma, 1, comma, 4 Dwight found the mean was \bar x=2 x ˉ =2x, with, \bar, on top, equals, 2 candies. He thinks the standard deviation is s_x =\sqrt{\dfrac{(1-2)^2+(2-2)^2+(1-2)^2+(4-2)^2}{3}}s x ​ = 3 (1−2) 2 +(2−2) 2 +(1−2) 2 +(4−2) 2 ​ ​ s, start subscript, x, end subscript, equals, square root of, start fraction, left parenthesis, 1, minus, 2, right parenthesis, squared, plus, left parenthesis, 2, minus, 2, right parenthesis, squared, plus, left parenthesis, 1, minus, 2, right parenthesis, squared, plus, left parenthesis, 4, minus, 2, right parenthesis, squared, divided by, 3, end fraction, end square root What is the error in Dwight's standard deviation calculation? Choose 1 answer: Choose 1 answer: (Choice A) A The order of subtraction is incorrect in each of the deviations. (Choice B) B He is missing a deviation in the numerator. (Choice C) C He should only take the square root of the numerator. (Choice D) D He shouldn't square each deviation in the numerator. (Choice E) E There is no error; his calculation is correct.
Mathematics
2 answers:
GuDViN [60]2 years ago
7 0

Answer:

<em>its E</em>

Step-by-step explanation:

baherus [9]2 years ago
4 0

Answer: B

Step-by-step explanation:

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−4(3m−3)+(−10+8m)=?
Valentin [98]
-4(3m-3)+(-10+8m)
12m+12-1+8m
12m+8m = 20m
+12 -1= +11
answer: 20m+11


*note negative times a negative equals positive and negative times positive is negative 
first: you multiply -4 by 3m which is -12m.
second: you multiply -4 by -3 which is +12
third: find the invisible which is 1. (located right here: +(1) (-10+8m)
fourth: multiply invisible 1 by -10 which is -10
fifth: multiply invisible one by +8m which is +8m 
sixth: combine like terms
seventh: answer
 
5 0
3 years ago
I’m trying to figure out what the answer is to these questions?
hram777 [196]
To find corresponding angles and sides, you look at the name of the figure and see which one correlates.

QUESTION 6
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QUESTION 7
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8-
x=12

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6 0
3 years ago
Write the expression for the sequence of operations described below. Double q, multiply the result by p, then add what you have
sweet-ann [11.9K]

Answer:

2qp+r

Step-by-step explanation:

Double q (2q)

Multiply that by p (2qp)

Add that to r (2qp+r)

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3 years ago
What is 1 gallon, 3 quarts, 4 pints minus 3 quarts, 5 pints?
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3 years ago
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