Question
In: Statistics and Probability
The following data represent the breaking strengths of samples of 20 gauge insulated copper wire fron...
The
following data represent the breaking strengths of samples of 20
gauge insulated copper wire fron three different suppliers. The
researcher is interested in findinf evidence that the distribution
of breaking strength differs by supplier. Use the .01 significance
level and the Kruskal- Wallis test to answer the following
questions.
A
150
154
156
161
162
B
157
161
163
166
170
C
143
147
151
154
156
Give the value of the Kruskal-Wallis test statistic for the
above data
whats the p-value?
whats rhe critical value?
whats the decision?
Solutions
orchestra answered 2 years agoRelated Solutions
The following data represent the breaking strengths of samples of 20 gauge insulated copper wire fron...
The
following data represent the breaking strengths of samples of 20
gauge insulated copper wire fron three different suppliers. The
researcher is interested in findinf evidence that the distribution
of breaking strength differs by supplier. Use the .01 significance
level and the Kruskal- Wallis test to answer the following
questions.
A
150
154
156
161
162
B
157
161
163
166
170
C
143
147
151
154
156
Give the value of the Kruskal-Wallis test statistic for the
above data...
Canada Wire Products processes copper into wire. It makes 16-gauge and 14-gauge wire. During April, the...
Canada Wire Products processes copper into wire. It makes
16-gauge and 14-gauge wire. During April, the joint costs of
processing the aluminium were $365,000. There were no beginning or
ending inventories for the month. Production and sales value
information for the month were as follows:
Product
Feet
Separable costs
Selling price
14 gauge
200,000
$0.20 per metre
$0.90 per metre
16 gauge
600,000
0.30 Per metre
1.00 per metre
Determine the amount of joint costs allocated to each product
using...
A length of 20-gauge copper wire (of diameter 0.8118 mm) is formed into a circular loop...
A length of 20-gauge copper wire (of diameter 0.8118 mm) is
formed into a circular loop with a radius of 24.0 cm. A magnetic
field perpendicular to the plane of the loop increases from zero to
18.0 mT in 0.20 s. Find the average electrical power dissipated in
the process.
11.1. Design a two-wire line made of two AWG 20-gauge (diameter0.812mm) copper wires that has a...
11.1. Design a two-wire line made of two AWG 20-gauge
(diameter0.812mm) copper wires that has a 300-ohm impedance.
Calculate its capacitance per unit length.
*Please explain each step & formulas used in the
solution.
*Write legibly & no blurry pictures so I can read the
solution.
Copper has 8.5∙1028 free electrons per cubic meter. A 71.0 cm length of 12-gauge copper wire...
Copper has 8.5∙1028 free electrons per cubic
meter. A 71.0 cm length of 12-gauge copper wire that is 2.05 mm in
diameter carries 4.85 A of current. (a) How much time does it take
for an electron to travel the length of the wire? (b) Repeat part
(a) for 6-gauge copper wire (diameter 4.12 mm) of the same length
that carries the same current. (c) More generally, how does
changing the diameter of the wire that carries a given amount...
The following data represent the speed of a car (in miles per hour) and its breaking...
The following data represent the speed of a car (in miles per
hour) and its breaking distance (in feet) on dry asphalt.
Speed
30
40
50
60
70
80
Breaking Distance
66.3
82.3
100.5
121.2
142.3
160.7
b) Find the least squares regresssion line. Round the slope and
y-intercept to two decimals.
B(x) =
(c) Find the linear correlation coefficient. Round your answer to 4
decimals.
r =
(d) Comment on whether a linear model is a good model. Explain...
The following data represent the concentration of dissolved organic carbon (mg/L) collected from 20 samples of...
The following data represent the concentration of dissolved
organic carbon (mg/L) collected from 20 samples of organic soil.
Assume that the population is normally distributed. Complete parts
(a) through (c) on the right. 15.42 29.80 27.10 16.51 10.30 8.81
10.30 20.46 14.90 33.67 30.91 14.86 11.40 15.35 9.72 19.80 14.86
8.09 5.30 18.30 (a) Find the sample mean. The sample mean is
nothing . (Round to two decimal places as needed.) (b) Find the
sample standard deviation. The sample standard...
The following data represent the concentration of dissolved organic carbon (mg/L) collected from 20 samples of...
The following data represent the concentration of dissolved
organic carbon (mg/L) collected from 20 samples of organic soil.
Assume that the population is normally distributed. Complete parts
(a) through (c) on the right. A( find the sample mean . b(Find the
sample standard deviation. c(construct a 90% confidence interval
for the population mean
5.20
29.80
27.10
16.51
16.87
8.81
5.30
20.46
14.90
33.67
30.91
14.86
11.90
15.35
9.72
19.80
14.86
8.09
11.90
18.30
The following data represent the concentration of dissolved organic carbon (mg/L) collected from 20 samples of...
The following data represent the concentration of dissolved
organic carbon (mg/L) collected from 20 samples of organic soil.
Assume that the population is normally distributed. Find sample
mean, standard deviation and construct a 99% confidence interval
the population mean m.
5.20 29.80 27.10 16.51 14.00
8.81 15.42 20.46 14.90 33.67
30.91 14.86 7.40 15.35 9.72
19.80 14.86 8.09 14.00 18.30
The following data represent the filling weights based on samples of 350-gram containers. Ten samples of...
The following data represent the filling weights based on
samples of 350-gram containers. Ten samples of size 5 were
taken.
Sample
Observ. 1
Observ. 2
Observ. 3
Observ. 4
Observ. 5
1
333.6226
339.3906
361.9761
339.1192
346.4578
2
365.5820
347.4967
349.5748
352.6524
363.7096
3
363.8708
367.4003
335.0422
328.8487
355.8509
4
338.4916
338.6541
346.3491
366.9538
343.1767
5
355.2305
345.7635
356.5218
347.2718
334.5434
6
345.6990
326.0756
328.9903
362.4881
352.8718
7
334.7083
359.4960
333.1609
352.2697
360.8256
8
341.2400
356.8819
369.7263
336.0729
361.5562
9...
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