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Shkiper50 [21]
3 years ago
8

In the dataset "RestRating", the 30 randomly selected patrons give the overall dining experience ratings (Outstanding, Very good

, Good, Average, or Poor) at a restaurant on a Saturday evening

Engineering
2 answers:
balu736 [363]3 years ago
8 0

Answer:

The dataset image is attached.

The question has three parts:

a) Find the frequency distribution and relative frequency distribution for these data.

b) Construct a percentage bar chart for these data

c) Construct a percentage pie chart for these data

Explanation:

a)

Frequency distribution tell us how often something occurs.

Frequency distribution

Experience Rating Frequency

OutStanding 14

Very Good 10

Good 5

Average 1

Poor 0

This relative frequency distribution table shows how something are distributed.

Relative Frequency Distribution

Experience Rating Frequency Relative Frequency

OutStanding 14 14/30 = 7/15 = 0.467

Very Good 10 10/30 = 1/3 = 0.333

Good 5 5/30 = 1/6 = 0.167

Average 1 1/30 = 0.033

Poor 0 0

Total 30 1.000

b) Chart image is attached

c) Chart image is attached

rusak2 [61]3 years ago
6 0

Answer: incomplete question

Explanation:

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A vertical pole consisting of a circular tube of outer diameter 127 mm and inner diameter 115 mm is loaded by a linearly varying
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Maximum shear stress in the pole is 0.

<u>Explanation:</u>

Given-

Outer diameter = 127 mm

Outer radius,r_{2} = 127/2 = 63.5 mm

Inner diameter = 115 mm

Inner radius, r_{1} = 115/2 = 57.5 mm

Force, q = 0

Maximum shear stress, τmax = ?

 τmax  = \frac{4q}{3\pi } (\frac{r2^2 + r2r1 + r1^2}{r2^4 - r1^4} )

If force, q is 0 then τmax is also equal to 0.

Therefore, maximum shear stress in the pole is 0.

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3 years ago
Argue the importance to society of incorporating green building into an engineer's designs, with at least two examples.
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Answer:

Green Design is your answer

Explanation:

4 0
2 years ago
Read 2 more answers
A sinusoidal wave of frequency 420 Hz has a speed of 310 m/s. (a) How far apart are two points that differ in phase by π/8 rad?
Olin [163]

Answer:

a) Two points that differ in phase by π/8 rad are 0.0461 m apart.

b) The phase difference between two displacements at a certain point at times 1.6 ms apart is 4π/3.

Explanation:

f = 420 Hz, v = 310 m/s, λ = wavelength = ?

v = fλ

λ = v/f = 310/420 = 0.738 m

T = periodic time of the wave = 1/420 = 0.00238 s = 0.0024 s = 2.4 ms

a) Two points that differ in phase by π/8 rad

In terms of the wavelength of the wave, this is equivalent to [(π/8)/2π] fraction of a wavelength,

[(π/8)/2π] = 1/16 of a wavelength = (1/16) × 0.738 = 0.0461 m

b) two displacements at times 1.6 ms apart.

In terms of periodic time, 1.6ms is (1.6/2.4) fraction of the periodic time.

1.6/2.4 = 2/3.

This means those two points are 2/3 fraction of a periodic time away from each other.

1 complete wave = 2π rad

Points 2/3 fraction of a wave from each other will have a phase difference of 2/3 × 2π = 4π/3.

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Using the state mileage guide table located on the top of each map page you can
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C. Route and roadways defined as class I highways
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3 years ago
The two basic network administration models are ____ and ____
Andreas93 [3]

Answer: Protocol model and reference model

Explanation:

 There are basically two types of basic network administrator model in the network that is:

Protocol model:

 This model is basically represent the 4 layer of the TCP/IP model as it describe the different functionality with the networking data which occur in the each layer of the protocol in the TCP/IP model.

Reference model:

 The reference model basically provide the common reference and maintain the consistency in all the different types of the network protocol. The main purpose of this model is that it understand the different  functionality of the OSI model and then used in different networking design.

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3 years ago
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