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Airida [17]
3 years ago
15

Imagine you compare the effectiveness of four different types of stimulant to keep you awake while revising statistics using a o

ne-way ANOVA. The null hypothesis would be that all four treatments have the same effect on the mean time kept awake. How would you interpret the alternative hypothesis?
At least two of the stimulants will have different effects on the mean time spent awake.
All four stimulants have different effects on the mean time spent awake.
Two of the four stimulants have the same effect on the mean time spent awake.
None of the above
Engineering
1 answer:
Arlecino [84]3 years ago
4 0

Answer:

The correct answer is At least two of the stimulants will have different effects on the mean time spent awake.

Explanation:

The null hypothesis exposed leads to consider an alternative hypothesis that differs from the behavior of the 4 stimulants. In this case it is related to the effects on patients, since in practice at least one will present differences compared to the others, influencing the sleep time of consumers.

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asambeis [7]

The roads have pre-described lanes that should follow a particular speed and rules. When a driver drives slowly than he makes the other drivers impatient.

<h3>What are traffic rules?</h3>

Traffic rules are the regulations that are defined to regulate the vehicles and other conveyances that walk on the road. They are different in various places and have separate punishments for not following them.

The left lane of the road is generally for the drivers who want to pass by the vehicle ahead by following the mph rule. If the driver drives slowly then they make the other people impatient and result in honking.

Therefore, the driver driving slowly in the left lane makes others impatient.

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4 0
2 years ago
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Speed limit signs are classified as
luda_lava [24]

Answer:

B. Regulatory signs

Explanation:

traffic rules

5 0
3 years ago
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Find the error in the following pseudo code
IRISSAK [1]

Pseudocodes are used as a prototype of an actual program.

The error in the pseudocode is that, the while loop in the pseudocode will run endlessly.

From the pseudocode, the first line is:

<em>Declare Boolean finished = false</em>

The while loop is created to keep running as long as <em>finished = false.</em>

So, for the while loop to end, the finished variable must be updated to true.

This action is not implemented in the pseudocode.

Hence, the error in the pseudocode is that, the while loop is an endless loop

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8 0
2 years ago
A rigid bar ABCD is pinned at A and supported by two steel rods connected at B and C, as shown. There is no strain in the vertic
mylen [45]

Answer:

See attached picture.

Explanation:

4 0
3 years ago
A water jet that leaves a nozzle at 60 m/s at a certain flow rate generating power of 250 kW by striking the buckets located on
wlad13 [49]

Answer:

The mass flow rate of jet =69.44 kg/s

Explanation:

Given that

velocity of jet v= 60 m/s

Power  P=250 KW

As we know that force offered by water F

F=\rho\ A \ v^2

Power P= F.v

So now power given as

P=\rho\ A \ v^3

We know that mass flow rate = ρAv

P=mass\ flow\ rate\ \times v^2

250 x 1000 = mass flow rate x 3600

mass flow rate = 69.44 kg/s

So the mass flow rate of jet =69.44 kg/s

4 0
3 years ago
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