Question
In: Statistics and Probability
For the data below determine if the variances are not equal. Use the six steps of...
- For the data below determine if the variances are not equal. Use the six steps of hypothesis testing at a 0.10 level of significance.
1 = 84, s1 = 10, n = 30
2 = 85, s2 = 12, n = 25
Solutions
orchestra answered 1 year agoRelated Solutions
For the data below determine if the variances are not equal. Use the six steps of...
For the data below determine if the variances are not equal. Use
the six steps of hypothesis testing at a 0.10 level of
significance.
x1 = 84, s1 = 10, n =
30
x2 = 85, s2 = 12, n =
25
THE SAMPLE STATISTICS ARE GIVEN BELOW. ASSUME THE POPULATION VARIANCES ARE NOT EQUAL USE a=0.01 n1=18...
THE SAMPLE STATISTICS ARE GIVEN BELOW. ASSUME THE POPULATION
VARIANCES ARE NOT EQUAL USE a=0.01
n1=18 n2=13
X1= 785 X2=770
S1=40 S2=25
PLEASE NOTE THAT THE X'S HAVE A BAR OVER THEM
Use MS Excel to answer this. From the data given below test a hypothesis for variances...
Use MS Excel to answer this. From the data given below test a
hypothesis for variances being equal. Use α = 0.05.
Section A
Section B
15
16
26
52
52
55
53
57.5
54
58
56.5
60
61
61
61.5
70
63
70
66
71
66
72
66.5
73
69
74.5
71
75
77
75.5
77
76
78
77
79
81
81
85
86
85.5
87
86
90
88
90
88.5
91
91
91
93
94
95
96
98...
Create two different data sets such that a T test under the assumption of equal variances...
Create two different data sets such that a T test under the
assumption of equal variances will reject the null hypothesis, but
the T test under the assumption of unequal variances (Hint: Welch's
T statistic) will fail to reject the null hypothesis. Explain why
the two data sets fail to reject under unequal variance assumption
and why it rejects until equal variance assumption.
Thanks
For the reaction: 3A + 2B -----> Products Use the data below to determine the rate...
For the reaction:
3A + 2B -----> Products
Use the data below to determine the rate law
[A] (M)
[B] (M)
Rate (Ms-1)
0.300
0.200
3.067 x 10-3
0.600
0.400
8.680 x 10-3
0.900
0.200
5.131 x 10-3
Explain how the ANN model works. (use the steps listed below) Step 1: Determine the Topology...
Explain how the ANN model works. (use the steps listed
below)
Step 1: Determine the Topology and Activation Function
Step 2: Initiation
Step 3: Calculating Error
Step 4: Weight Adjustment
Step 4: Weight Adjustment
Use Excel to prepare a Linear Regression Analysis. Use data samples below for populations and determine...
Use Excel to prepare a Linear Regression Analysis.
Use data samples below for populations and determine if the
selected independent variable is affecting the dependent variable.
Use an alpha of 5% for ANOVA and Correlation Coefficient. Explain
the results.
Data samples
Group A
104,103,101,99,97,101,101
Group B
101,100,95,99,101,103,97
Group C
100,96,99,95,99,102,106
Group D
97,99,99,101,105,100,99
For the data below graph and determine the fit you should use based on the information...
For the data below graph and determine the fit you should use
based on the information available. Also try to think about any
natural system that might use this type of fit (use
SciDavis). Let the horizontal axis represent time
in seconds. Choose a physical quantity for y data.
Paste graph below and list the values of fitting parameters,
along with their uncertainties. Watch significant figures and don’t
forget the units for each parameter.
X
Y
1
1.82
2
2.36...
Use the data provided below to determine the average length of each stage of the cell...
Use the data provided below to determine the average length of
each stage of the cell cycle. Try to explain the discrepancies in
the raw data between the groups. How do the results compare to what
is stated in the literature?
Data for the last question on the Mitosis Lab
% Interphase % Pro %Meta. % Ana. % Telo. Total Cells
counted
Group One
76.2%
14.6% 4.0%
3.3%
1.9% 808
Group Two
55%
34%
4%
4% 4%
578
Group...
Use the chi-square test for goodness of fit to determine if the data shown below are...
Use the chi-square test for goodness of fit to determine if the
data shown below are consistent with an inheritance pattern of
simple dominance. Use p = 0.05 for determining
significance.
Cross: Aa x Aa
Offspring:
70 dominant phenotype
30 recessive phenotype
A. The data are consistent with a simple dominance pattern of
inheritance.
B. The data are not consistent with a simple dominance pattern
of inheritance.
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