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adoni [48]
2 years ago
14

Consider these four data sets.

Mathematics
2 answers:
skad [1K]2 years ago
8 0

Answer: Set C is correct answer.

Step-by-step explanation:

Symmetrical distribution is a type of distribution in which all data occurs at regular frequencies, and the measures of central tendency is occurred at same point.

Here, we can see from the options that

Set C has data with same difference i.e. 5

Here, Median would be 17 as the median is the central value after arranging the data value in ascending order.

Mean = \dfrac{2+7+12+17+22+27+32}{7}=\dfrac{119}{7}=17

∴ Mean = 17

Mode = 3 Median - 2 Mean

Mode=3\times 7-2\times 7\\\\Mode=21-14\\\\Mode=7

∴ Mode = 7

Thus, all mean, median and mode is occurred at same point i.e. 7.

Hence, Set C is correct answer.

Jlenok [28]2 years ago
7 0
Set C. because every number has a 5 difference between each other.
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In triangleABC, angle B= 90 degrees, cos(C)=15/17 and AB = 16 what is the measure of Angle A, Angle C and angle AC
Sergeeva-Olga [200]

Answer:

m∠C=28°, m∠A=62°, AC=34.1 units

Step-by-step explanation:

Given In ΔABC, m∠B = 90°, , and AB = 16 units. we have to find m∠A, m∠C, and AC.

As,  cos(C)={15}/{17}

⇒ angle C=cos^{-1}(\frac{15}{17})=28.07^{\circ}\sim28^{\circ}

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Hey there!☺

Answer:\boxed{x=\frac{5}{6},-\frac{5}{6}}

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