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Y_Kistochka [10]
3 years ago
8

The following are the ratings of males by females in an experiment involving speed dating. Use the given data to construct a box

plot and identify the​ 5-number summary. 3.0 3.5 4.5 5.5 6.5 6.5 7.0 7.0 7.0 7.0 7.0 7.5 8.0 9.0 9.0 9.0 9.5 9.5 9.5 9.5

Mathematics
1 answer:
Finger [1]3 years ago
4 0

Answer:

Step-by-step explanation:

Box plot is enclosed.

To find out 5 number summary

3.0, 3.5, 4.5, 5.5, 6.5, 6.5, 7.0, 7.0, 7.0, 7.0, 7.0, 7.5, 8.0, 9.0, 9.0, 9.0, 9.5, 9.5, 9.5, 9.5}

Minimum: 3.0

Quartile Q1: 6.5

Median: 7

Quartile Q3: 9

Maximum: 9.5

Besides we find that

Average (mean): μ=7.25

Absolute deviation: 30.5

Mean deviation: 1.525

Minimum: 3.0

Maximum: 9.5

Variance: 3.7125

Standard deviation σ=1.926

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Isolate the variable by dividing each side by factors that don't contain the variable.

x  =  1

-6+3x+4=2-4x+3

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3 years ago
Michelle bought a new table that cost $350. The sales tax is 7.5%, how much will the tax increase the cost of the table? *
MissTica

Answer:

$26.25

Step-by-step explanation:

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3 0
3 years ago
Tobias's music store bought a piano at the wholesale price of $550. Tobias marked up the price 35%. What was the amount of marku
Mrrafil [7]

Answer:

A.  $58.50

B.  $80

C.  No. The markup was 33 1/3%

Step-by-step explanation:

You are expected to know the relevant relationship is ...

  cost + markup = selling price . . . . also called "store price" in this problem

___

A. The markup is 30% × $45 = $13.50, so the store price is ...

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B. When the 30% markup is added to the 100% cost, the selling price is 130% of the cost, or 1.30 times the cost. Here you have ...

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C. The markup is $100 -75 = $25, so the markup percentage based on cost is ...

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This is not 30%.

Step-by-step explanation:

8 0
2 years ago
JKL has vertices J(3, -5) K(-8, -1) and L(5,1). JKL will be reflected across the line y= -1 to form J'K'L'. Which quadrant will
katen-ka-za [31]

Answer:

The correct answer is second quadrant.

Step-by-step explanation:

Vertices of J ≡ (3 , -5) which shows J is in fourth quadrant. When J is reflected across the line y = -1, the point J moves to first quadrant as J' with coordinates (3 , 3).

Vertices of K ≡ (-8 , -1) which shows K is in third quadrant. When K is reflected across the line y = -1, the point K remains where it is (in the third quadrant) as it is on the line y = -1 only.

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Thus each of the first, fourth and third quadrant contains a vertex except the second quadrant.

4 0
3 years ago
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