Question
In: Statistics and Probability
The accompanying data table lists the magnitudes of 50 earthquakes measured on the Richter scale. Test...
The accompanying data table lists the magnitudes of 50 earthquakes measured on the Richter scale. Test the claim that the population of earthquakes has a mean magnitude greater than 1.00. Use a 0.01 significance level. Identify the null hypothesis, alternative hypothesis, test statistic, P-value, and conclusion for the test. Assume this is a simple random sample.
0.690
0.740
0.640
0.390
0.700
2.200
1.980
0.640
1.220
0.200
1.640
1.330
2.950
0.900
1.760
1.010
1.260
0.000
0.650
1.460
1.620
1.830
0.990
1.560
0.390
1.280
0.830
1.320
0.540
1.250
0.920
1.000
0.780
0.790
1.440
1.000
2.240
2.500
1.790
1.250
1.490
0.840
1.420
1.000
1.250
1.420
1.350
0.930
0.400
1.390
1. Identify the test statistic. t=_____
2. The P-value is ______
Solutions
Expert Solution
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orchestra answered 1 year agoRelated Solutions
The accompanying data table lists the magnitudes of 50 earthquakes measured on the Richter scale. Test...
The accompanying data table lists the magnitudes of 50
earthquakes measured on the Richter scale. Test the claim that the
population of earthquakes has a mean magnitude greater than 1.00.
Use a 0.01 significance level. Identify the null hypothesis,
alternative hypothesis, test statistic, P-value, and conclusion
for the test. Assume this is a simple random sample.
Magnitude of Earthquake
0.69
0.74
0.64
0.39
0.7
2.2
1.98
0.64
1.22
0.2
1.64
1.33
2.95
0.9
1.76
1.01
1.26
0
0.65
1.46
1.62...
The accompanying data table lists the magnitudes of 50 earthquakes measured on the Richter scale. Test...
The accompanying data table lists the magnitudes of 50
earthquakes measured on the Richter scale. Test the claim that
the population of earthquakes has a mean magnitude greater than
1.00.
0.720, 0,740, 0.640, .390, .700, 2.200, 1.980, .640, 1.220,
.200, 1.640, 1.320, 2.950, .900, 1.760, 1.010, 1.260, 0.000, .650,
1.460, 1.620, 1.830, .990, 1.560, .390, 1.280, .830, 1.350, .540,
1.250, .920, 1.000, .780, .790, 1.440, 1.000, 2.240, 2.500, 1.790,
1.250, 1.490, .840, 1.000, 1.250, 1.420, 1.350, .930, .400,
1.390
Use...
Use the magnitudes (Richter scale) of the earthquakes listed in the data set below. Find the...
Use the magnitudes (Richter scale) of the earthquakes listed in
the data set below. Find the mean and median of this data set. Is
the magnitude of an earthquake measuring 7.0 on the Richter scale
an outlier (data value that is very far away from the others)
when considered in the context of the sample data given in this
data set? Explain. Find the mean and median of the data set using
a calculator or similar data analysis technology.
2.83...
The accompanying data contains the depth (in kilometers) and magnitude, measured using the Richter Scale, of...
The accompanying data contains the depth (in kilometers) and
magnitude, measured using the Richter Scale, of all earthquakes in
a particular region over the course of a week. Depth is the
distance below the surface at which the earthquake originates. A
one unit increase in magnitude represents ground shaking ten times
as strong - an earthquake with magnitude 4 is ten times as strong
as an earthquake with magnitude 3.
Depth
Magnitude
9.069.06
2.732.73
2.912.91
2.732.73
6.566.56
1.051.05
2.712.71
1.891.89...
The accompanying data contains the depth (in kilometers) and magnitude, measured using the Richter Scale, of...
The accompanying data contains the depth (in kilometers) and
magnitude, measured using the Richter Scale, of all earthquakes in
a particular region over the course of a week. Depth is the
distance below the surface at which the earthquake originates. A
one unit increase in magnitude represents ground shaking ten times
as strong (an earthquake with magnitude 4 is ten times as strong
as an earthquake with magnitude 3). Complete parts (a) through
(d) below.
depth magnitude
2.24 0.57
1.78 ...
The accompanying data table lists measured voltage amounts supplied directly to a family's home. The power...
The accompanying data table lists measured voltage amounts
supplied directly to a family's home. The power supply company
states that it has a target power supply of 120 volts. Using those
home voltage amounts, test the claim that the mean is 120 volts.
Use a 0.01 significance level.
Day Volts
1 123.9
2 123.9
3 123.9
4 123.9
5 123.4
6 123.3
7 123.3
8 123.6
9 123.5
10 124.4
11 123.5
12 123.7
13 124.2
14 123.7
15 123.9...
The accompanying data table lists the weights of male college students in kilograms. Test the claim...
The accompanying data table lists the weights of male college
students in kilograms. Test the claim that male college students
have a mean weight that is less than the 84 kg mean weight of males
in the general population. Use a 0.05 significance level. Identify
the null hypothesis, alternative hypothesis, test statistic,
P-value, and conclusion for the test. Assume this is a simple
random sample.
Person Weight
1 75
2 97
3 74
4 93
5 59
6 71
7...
The accompanying table lists the word counts measured from men and women in 56 couple relationships....
The accompanying table lists the word counts measured from men
and women in 56 couple relationships. Construct a scatter plot,
find the value of the linear correlation coefficient r, and find
the P-value of r. Determine whether there is sufficient evidence
to support a claim of linear correlation between the two variables.
Use a significance level of a=0.05.
I need to understand how to solve this question using
excel (not minitab)
Men Women
27,295 20,108
18,158 24,942
7,305 7,533
25,723 ...
The accompanying table lists the word counts measured from men and women in 56 couple relationships....
The accompanying table lists the word counts measured from men
and women in 56 couple relationships. Construct a scatterplot, find
the value of the linear correlation coefficient r, and find the
P-value of r. Determine whether there is sufficient evidence to
support a claim of a linear correlation between the two variables.
Use a significance level of
alphaαequals=0.010
The linear correlation coefficient r is ____
(Round to three decimal places as needed.)
Determine the null and alternative hypotheses.
(Type integers...
The intensity levels I of two earthquakes measured on a seismograph can be compared by the formula log I1/I2 = M1 – M2, where M is the magnitude given by the Richter Scale.
The intensity levels I of two earthquakes measured on a seismograph can be compared by the formula log I1/I2 = M1 – M2, where M is the magnitude given by the Richter Scale. In August 2009, an earthquake of magnitude 6.1 hit Honshu, Japan. In March 2011, that same region experienced yet another, more devastating earthquake, this time with a magnitude of 9.0. How many times greater was the intensity of the 2011 earthquake? Round to the nearest whole number.
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