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inessss [21]
3 years ago
14

Which measure of central tendency is least appropriate for describing the given data set?. 75,6,12,12,11,9,8,12 . a. mode. b. me

dian. c. mean. . i think mode, is it right??
Mathematics
1 answer:
lozanna [386]3 years ago
5 0
The answer would usually be more for this type of question as it is the least detailed of the three measures of central tendency.

However, this data set contains an outlier/ anomaly. This means that if the mean is used it will skew the data so that it is unrepresentative of the rest of the data set.

So the answer is mean
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The standard form or the equation of a parabola is y = 7x^2 + 14 +4. What is the vertex form of the equation?
zubka84 [21]
We know that
<span>the vertex form of the equation is
y=a(x-h)</span>²+k

we have 
y = 7x² + 14x +4
y=7(x² + 2x) +4
y=7(x² + 2x+1-1) +4
y=7(x² + 2x+1) +4-7
y=7(x+1)²-3

the answer is
y=7(x+1)²-3

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Y=16/13x-7/13
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4 0
3 years ago
Find the product. √5(2+√7) A)2√5+√35 B)√45 C)2√5+2√7 D)√10+√35
OverLord2011 [107]

Answer:

\huge \boxed{2\sqrt{5} +\sqrt{35}}

Step-by-step explanation:

\sqrt{5} (2+\sqrt{7} )

Expand brackets.

\sqrt{5} (2)+\sqrt{5}(\sqrt{7} )

2\sqrt{5} +\sqrt{5} \sqrt{7}

Apply radical rule : \sqrt{a} \sqrt{b} =\sqrt{ab}

2\sqrt{5} +\sqrt{5 \times 7}

2\sqrt{5} +\sqrt{35}

7 0
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Tema [17]

Answer:

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Step-by-step explanation:

4 0
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Evaluate r=5
Salsk061 [2.6K]

Answer:

\sum (r+1)^2 = 90

Step-by-step explanation:

Given

\sum (r+1)^2; r = 1,2....5

Required

Evaluate

\sum (r+1)^2; r = 1,2....5 is equivalent to :

(1 + 1)^2 +(2 + 1)^2 +(3 + 1)^2 +(4 + 1)^2 +(5 + 1)^2

(2)^2 +(3)^2 +(4)^2 +(5)^2 +(6)^2

4 + 9 + 16 + 25 + 36

90

Hence:

\sum (r+1)^2 = 90

4 0
3 years ago
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