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Readme [11.4K]
3 years ago
10

Chapin Manufacturing Company operates 24 hours a day, five days a week. The workers rotate shifts each week. Management is inter

ested in whether there is a difference in the number of units produced when the employees work on various shifts. A sample of five workers is selected and their output recorded on each shift.
Units Produced

Employee Day Afternoon Night

Skaff 38 24 34

Lum 35 23 37

Clark 28 26 38

Treece 35 26 23

Morgan 22 23 24

1. At the 0.01 significance level, can we conclude there is a difference in the mean production rate by shift or by employee?
Mathematics
1 answer:
Nata [24]3 years ago
5 0

Answer:

The answer is there is a difference in the mean production rate by shift

Step-by-step explanation:

The level of significance is actually very low since the same production level is maintained for each of the 5 workers at the same time in the afternoon.

As for the other shifts, that is, the day shift and the night shift, the level of significance varies according to the production established by each worker.h

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Answer:

The standard deviation is used in conjunction with the​ mean to numerically describe distributions that are bell shaped. The​ mean measures the center of the​ distribution, while the standard deviation measures the​ spread of the distribution.

Step-by-step explanation:

Problems of normally distributed samples can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by

Z = \frac{X - \mu}{\sigma}

The mean is the average value of the measures while the standard deviation measures how spread the measures are from the mean. So

The standard deviation is used in conjunction with the​ mean to numerically describe distributions that are bell shaped. The​ mean measures the center of the​ distribution, while the standard deviation measures the​ spread of the distribution.

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3 years ago
Find the slope of a line traveling through the points (8, -3) and (2, 6)(8,−3)and(2,6).
Sauron [17]

Answer:

not sure if this is what youre looking for but here

y=-3/2x+9

Step-by-step explanation:

6 0
2 years ago
Look at the formula for the area of a triangle. a = 1 2 bh which is a solution for h?
andrey2020 [161]
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Explanation:

a =  \cfrac{1}{2} bh

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A drone has an effective range represented by a circle on a coordinate plane. The points (–12, 3) and (–6, –5) are endpoints of
Mrac [35]

Answer:

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Step-by-step explanation:

Since the question says diameter, we know the boundary in a circle. Therefore, we just need to find the center and radius.

The center is the midpoint of the two endpoints on a diameter.

Here, it is (-9, -1).

Therefore, the left part of the equation is (x- -9)^2 + (y - -1)^2 = (x+9)^2 + (y+1)^2.

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